./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/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 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:50:11,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:50:11,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:50:11,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:50:11,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:50:11,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:50:11,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:50:11,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:50:11,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:50:11,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:50:11,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:50:11,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:50:11,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:50:11,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:50:11,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:50:11,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:50:11,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:50:11,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:50:11,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:50:11,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:50:11,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:50:11,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:50:11,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:50:11,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:50:11,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:50:11,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:50:11,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:50:11,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:50:11,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:50:11,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:50:11,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:50:11,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:50:11,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:50:11,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:50:11,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:50:11,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:50:11,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:50:11,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:50:11,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:50:11,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:50:11,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:50:11,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:50:11,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:50:11,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:50:11,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:50:11,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:50:11,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:50:11,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:50:11,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:50:11,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:50:11,202 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:50:11,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:50:11,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:50:11,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:50:11,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:50:11,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:50:11,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:50:11,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:50:11,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:50:11,205 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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 [2021-12-07 00:50:11,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:50:11,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:50:11,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:50:11,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:50:11,395 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:50:11,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-12-07 00:50:11,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/data/078772a7f/bd027e2ccf5a431aa390dac6e64375c5/FLAG96d2dd9a0 [2021-12-07 00:50:12,022 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:50:12,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-12-07 00:50:12,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/data/078772a7f/bd027e2ccf5a431aa390dac6e64375c5/FLAG96d2dd9a0 [2021-12-07 00:50:12,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/data/078772a7f/bd027e2ccf5a431aa390dac6e64375c5 [2021-12-07 00:50:12,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:50:12,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:50:12,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:50:12,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:50:12,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:50:12,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:12" (1/1) ... [2021-12-07 00:50:12,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4616d18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:12, skipping insertion in model container [2021-12-07 00:50:12,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:50:12" (1/1) ... [2021-12-07 00:50:12,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:50:12,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:50:14,430 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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2021-12-07 00:50:14,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:50:14,517 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:50:14,978 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_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2021-12-07 00:50:14,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:50:15,066 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:50:15,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15 WrapperNode [2021-12-07 00:50:15,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:50:15,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:50:15,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:50:15,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:50:15,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,338 INFO L137 Inliner]: procedures = 317, calls = 5366, calls flagged for inlining = 157, calls inlined = 154, statements flattened = 11270 [2021-12-07 00:50:15,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:50:15,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:50:15,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:50:15,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:50:15,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:50:15,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:50:15,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:50:15,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:50:15,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (1/1) ... [2021-12-07 00:50:15,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:50:15,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:50:15,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:50:15,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1872a32e-0c9b-44c6-8fbb-c53e2e4b6743/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:50:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2021-12-07 00:50:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2021-12-07 00:50:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2021-12-07 00:50:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2021-12-07 00:50:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-07 00:50:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2021-12-07 00:50:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:50:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:50:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2021-12-07 00:50:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-07 00:50:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:50:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:50:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_carrier [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_carrier [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-07 00:50:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-07 00:50:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2021-12-07 00:50:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2021-12-07 00:50:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2021-12-07 00:50:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2021-12-07 00:50:15,839 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2021-12-07 00:50:15,840 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2021-12-07 00:50:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 00:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2021-12-07 00:50:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2021-12-07 00:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 00:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 00:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2021-12-07 00:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2021-12-07 00:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2021-12-07 00:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure isa_unregister_driver [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_unregister_driver [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2021-12-07 00:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2021-12-07 00:50:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2021-12-07 00:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2021-12-07 00:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2021-12-07 00:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2021-12-07 00:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_next_carrier [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_next_carrier [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:50:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:50:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2021-12-07 00:50:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:50:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:50:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:50:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2021-12-07 00:50:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2021-12-07 00:50:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-07 00:50:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-07 00:50:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2021-12-07 00:50:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2021-12-07 00:50:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2021-12-07 00:50:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2021-12-07 00:50:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-07 00:50:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-07 00:50:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 00:50:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 00:50:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2021-12-07 00:50:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2021-12-07 00:50:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-07 00:50:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-07 00:50:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:50:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-07 00:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-07 00:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-07 00:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-07 00:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2021-12-07 00:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2021-12-07 00:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-07 00:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-07 00:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-07 00:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-07 00:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2021-12-07 00:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2021-12-07 00:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2021-12-07 00:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2021-12-07 00:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-07 00:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-07 00:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:50:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-07 00:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-07 00:50:16,512 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:50:16,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:50:16,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:50:52,403 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:50:52,426 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:50:52,426 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-07 00:50:52,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:50:52 BoogieIcfgContainer [2021-12-07 00:50:52,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:50:52,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:50:52,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:50:52,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:50:52,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:50:12" (1/3) ... [2021-12-07 00:50:52,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f1facc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:50:52, skipping insertion in model container [2021-12-07 00:50:52,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:50:15" (2/3) ... [2021-12-07 00:50:52,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f1facc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:50:52, skipping insertion in model container [2021-12-07 00:50:52,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:50:52" (3/3) ... [2021-12-07 00:50:52,436 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-12-07 00:50:52,440 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:50:52,440 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:50:52,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:50:52,493 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 [2021-12-07 00:50:52,493 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:50:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 3897 states, 2627 states have (on average 1.3856109630757518) internal successors, (3640), 2711 states have internal predecessors, (3640), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) [2021-12-07 00:50:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-07 00:50:52,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:50:52,571 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-12-07 00:50:52,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:50:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:50:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash 557494358, now seen corresponding path program 1 times [2021-12-07 00:50:52,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:50:52,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297614878] [2021-12-07 00:50:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:50:52,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:50:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:50:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:50:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:50:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:50:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:50:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:50:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:50:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:50:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:50:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:50:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:50:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:50:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:50:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:50:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:50:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-07 00:50:53,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:50:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297614878] [2021-12-07 00:50:53,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297614878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:50:53,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:50:53,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:50:53,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300253592] [2021-12-07 00:50:53,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:50:53,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:50:53,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:50:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:50:53,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:50:53,304 INFO L87 Difference]: Start difference. First operand has 3897 states, 2627 states have (on average 1.3856109630757518) internal successors, (3640), 2711 states have internal predecessors, (3640), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 00:50:56,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:50:57,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:50:59,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:04,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:05,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:09,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:11,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:12,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:15,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:17,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:19,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:22,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:23,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:24,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:25,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:27,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:29,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:31,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:33,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:37,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:39,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:41,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:44,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:46,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:53,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:54,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:51:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:51:56,811 INFO L93 Difference]: Finished difference Result 7933 states and 12233 transitions. [2021-12-07 00:51:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:51:56,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2021-12-07 00:51:56,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:51:56,858 INFO L225 Difference]: With dead ends: 7933 [2021-12-07 00:51:56,858 INFO L226 Difference]: Without dead ends: 4008 [2021-12-07 00:51:56,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:51:56,894 INFO L933 BasicCegarLoop]: 5621 mSDtfsCounter, 1326 mSDsluCounter, 6226 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 2717 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 11847 SdHoareTripleChecker+Invalid, 8897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2717 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:51:56,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1358 Valid, 11847 Invalid, 8897 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2717 Valid, 6167 Invalid, 13 Unknown, 0 Unchecked, 63.0s Time] [2021-12-07 00:51:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2021-12-07 00:51:57,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3853. [2021-12-07 00:51:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 2597 states have (on average 1.3800539083557952) internal successors, (3584), 2666 states have internal predecessors, (3584), 1138 states have call successors, (1138), 118 states have call predecessors, (1138), 117 states have return successors, (1137), 1136 states have call predecessors, (1137), 1137 states have call successors, (1137) [2021-12-07 00:51:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5859 transitions. [2021-12-07 00:51:57,232 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5859 transitions. Word has length 138 [2021-12-07 00:51:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:51:57,233 INFO L470 AbstractCegarLoop]: Abstraction has 3853 states and 5859 transitions. [2021-12-07 00:51:57,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 00:51:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5859 transitions. [2021-12-07 00:51:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-07 00:51:57,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:51:57,238 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-12-07 00:51:57,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:51:57,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:51:57,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:51:57,239 INFO L85 PathProgramCache]: Analyzing trace with hash 67250782, now seen corresponding path program 1 times [2021-12-07 00:51:57,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:51:57,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109218927] [2021-12-07 00:51:57,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:51:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:51:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:51:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:51:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:51:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:51:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:51:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:51:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:51:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:51:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:51:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:51:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:51:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:51:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:51:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:51:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:51:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-07 00:51:57,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:51:57,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109218927] [2021-12-07 00:51:57,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109218927] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:51:57,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:51:57,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:51:57,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552900194] [2021-12-07 00:51:57,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:51:57,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:51:57,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:51:57,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:51:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:51:57,680 INFO L87 Difference]: Start difference. First operand 3853 states and 5859 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-07 00:51:59,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:01,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:02,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:06,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:09,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:11,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:13,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:15,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:19,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:21,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:22,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:24,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:26,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:27,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:33,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:35,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:37,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:39,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:40,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:44,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:45,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:47,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:49,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:51,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:55,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:57,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:52:59,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:01,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:03,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:04,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:05,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:07,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:09,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:13,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:15,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:17,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:18,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:20,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:24,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:27,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:29,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:33,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:35,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:37,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:53:43,280 INFO L93 Difference]: Finished difference Result 11526 states and 17550 transitions. [2021-12-07 00:53:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:53:43,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 138 [2021-12-07 00:53:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:53:43,324 INFO L225 Difference]: With dead ends: 11526 [2021-12-07 00:53:43,324 INFO L226 Difference]: Without dead ends: 7699 [2021-12-07 00:53:43,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:53:43,338 INFO L933 BasicCegarLoop]: 6375 mSDtfsCounter, 6923 mSDsluCounter, 11304 mSDsCounter, 0 mSdLazyCounter, 9612 mSolverCounterSat, 5619 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7751 SdHoareTripleChecker+Valid, 17679 SdHoareTripleChecker+Invalid, 15260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5619 IncrementalHoareTripleChecker+Valid, 9612 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:53:43,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7751 Valid, 17679 Invalid, 15260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5619 Valid, 9612 Invalid, 29 Unknown, 0 Unchecked, 105.0s Time] [2021-12-07 00:53:43,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7699 states. [2021-12-07 00:53:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7699 to 7386. [2021-12-07 00:53:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.3834496510468595) internal successors, (6938), 5143 states have internal predecessors, (6938), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-12-07 00:53:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11213 transitions. [2021-12-07 00:53:43,731 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11213 transitions. Word has length 138 [2021-12-07 00:53:43,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:53:43,732 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11213 transitions. [2021-12-07 00:53:43,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-07 00:53:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11213 transitions. [2021-12-07 00:53:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-07 00:53:43,744 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:53:43,744 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:53:43,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:53:43,744 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:53:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1965538175, now seen corresponding path program 1 times [2021-12-07 00:53:43,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:43,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544822265] [2021-12-07 00:53:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:43,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:53:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:53:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:53:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:53:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:53:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:53:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:53:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:53:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:53:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 00:53:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:53:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:53:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 00:53:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:53:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:53:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-07 00:53:44,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:53:44,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544822265] [2021-12-07 00:53:44,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544822265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:53:44,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:53:44,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:53:44,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384653278] [2021-12-07 00:53:44,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:53:44,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:53:44,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:53:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:53:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:53:44,308 INFO L87 Difference]: Start difference. First operand 7386 states and 11213 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:53:48,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:51,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:53,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:54,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:56,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:53:58,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:03,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:05,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:07,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:08,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:11,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:12,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:15,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:17,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:19,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:24,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:26,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:27,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:28,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:29,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:31,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:33,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:34,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:36,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:38,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:40,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:42,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:43,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:45,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:47,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:50,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:55,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:57,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:54:59,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:01,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:03,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:05,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:07,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 00:55:15,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:17,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:55:21,679 INFO L93 Difference]: Finished difference Result 17097 states and 26211 transitions. [2021-12-07 00:55:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:55:21,680 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 208 [2021-12-07 00:55:21,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:55:21,730 INFO L225 Difference]: With dead ends: 17097 [2021-12-07 00:55:21,730 INFO L226 Difference]: Without dead ends: 9737 [2021-12-07 00:55:21,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:55:21,753 INFO L933 BasicCegarLoop]: 7233 mSDtfsCounter, 2457 mSDsluCounter, 27659 mSDsCounter, 0 mSdLazyCounter, 10210 mSolverCounterSat, 2700 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 34892 SdHoareTripleChecker+Invalid, 12934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2700 IncrementalHoareTripleChecker+Valid, 10210 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:55:21,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2777 Valid, 34892 Invalid, 12934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2700 Valid, 10210 Invalid, 24 Unknown, 0 Unchecked, 96.8s Time] [2021-12-07 00:55:21,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-12-07 00:55:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 7386. [2021-12-07 00:55:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.383050847457627) internal successors, (6936), 5141 states have internal predecessors, (6936), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-12-07 00:55:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11211 transitions. [2021-12-07 00:55:22,166 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11211 transitions. Word has length 208 [2021-12-07 00:55:22,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:55:22,166 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11211 transitions. [2021-12-07 00:55:22,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 00:55:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11211 transitions. [2021-12-07 00:55:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-07 00:55:22,173 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:55:22,173 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:55:22,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:55:22,173 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:55:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:55:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash -685837414, now seen corresponding path program 1 times [2021-12-07 00:55:22,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:55:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120518602] [2021-12-07 00:55:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:22,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:55:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:55:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:55:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:55:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:55:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:55:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:55:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:55:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:55:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:55:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 00:55:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 00:55:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:55:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 00:55:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 00:55:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 00:55:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:55:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:55:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:55:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-12-07 00:55:22,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:55:22,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120518602] [2021-12-07 00:55:22,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120518602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:55:22,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:55:22,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:55:22,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942550732] [2021-12-07 00:55:22,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:55:22,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:55:22,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:55:22,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:55:22,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:55:22,654 INFO L87 Difference]: Start difference. First operand 7386 states and 11211 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:55:25,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:27,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:29,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:32,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:34,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:36,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:39,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:43,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:44,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:47,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:49,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:51,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:53,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:56,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:55:58,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:01,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:03,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:05,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:56:11,690 INFO L93 Difference]: Finished difference Result 17097 states and 26207 transitions. [2021-12-07 00:56:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:56:11,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 218 [2021-12-07 00:56:11,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:56:11,757 INFO L225 Difference]: With dead ends: 17097 [2021-12-07 00:56:11,757 INFO L226 Difference]: Without dead ends: 9737 [2021-12-07 00:56:11,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:56:11,780 INFO L933 BasicCegarLoop]: 7220 mSDtfsCounter, 3146 mSDsluCounter, 21837 mSDsCounter, 0 mSdLazyCounter, 5280 mSolverCounterSat, 4092 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 29057 SdHoareTripleChecker+Invalid, 9382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4092 IncrementalHoareTripleChecker+Valid, 5280 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:56:11,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3468 Valid, 29057 Invalid, 9382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4092 Valid, 5280 Invalid, 10 Unknown, 0 Unchecked, 48.6s Time] [2021-12-07 00:56:11,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-12-07 00:56:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 7386. [2021-12-07 00:56:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.382652043868395) internal successors, (6934), 5139 states have internal predecessors, (6934), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-12-07 00:56:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11209 transitions. [2021-12-07 00:56:12,149 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11209 transitions. Word has length 218 [2021-12-07 00:56:12,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:56:12,150 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11209 transitions. [2021-12-07 00:56:12,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:56:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11209 transitions. [2021-12-07 00:56:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-07 00:56:12,158 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:56:12,159 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:56:12,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:56:12,159 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:56:12,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash 813548725, now seen corresponding path program 1 times [2021-12-07 00:56:12,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:12,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505090557] [2021-12-07 00:56:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:12,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:56:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:56:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:56:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:56:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:56:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:56:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:56:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:56:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:56:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 00:56:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 00:56:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 00:56:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:56:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-07 00:56:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 00:56:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:56:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:56:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:56:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-07 00:56:12,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:56:12,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505090557] [2021-12-07 00:56:12,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505090557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:56:12,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:56:12,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:56:12,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329444674] [2021-12-07 00:56:12,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:56:12,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:56:12,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:56:12,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:56:12,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:56:12,636 INFO L87 Difference]: Start difference. First operand 7386 states and 11209 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 00:56:16,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:19,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:21,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:24,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:27,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:29,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:31,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:33,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:35,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:38,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:40,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:41,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:43,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:45,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:47,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:52,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:55,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:56:56,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:00,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:02,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:04,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:06,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:08,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:10,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:11,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:13,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:15,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:17,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:19,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:21,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:23,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:25,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:27,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:32,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:34,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:36,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:38,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:40,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:42,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:44,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:45,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:47,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:56,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:57:58,737 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 [] [2021-12-07 00:58:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:58:03,282 INFO L93 Difference]: Finished difference Result 18085 states and 27803 transitions. [2021-12-07 00:58:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:58:03,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 224 [2021-12-07 00:58:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:58:03,314 INFO L225 Difference]: With dead ends: 18085 [2021-12-07 00:58:03,314 INFO L226 Difference]: Without dead ends: 10725 [2021-12-07 00:58:03,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:58:03,329 INFO L933 BasicCegarLoop]: 7413 mSDtfsCounter, 4774 mSDsluCounter, 20577 mSDsCounter, 0 mSdLazyCounter, 10067 mSolverCounterSat, 3309 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 27990 SdHoareTripleChecker+Invalid, 13404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3309 IncrementalHoareTripleChecker+Valid, 10067 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:58:03,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5097 Valid, 27990 Invalid, 13404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3309 Valid, 10067 Invalid, 28 Unknown, 0 Unchecked, 110.0s Time] [2021-12-07 00:58:03,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10725 states. [2021-12-07 00:58:03,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10725 to 7386. [2021-12-07 00:58:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.3822532402791625) internal successors, (6932), 5137 states have internal predecessors, (6932), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-12-07 00:58:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11207 transitions. [2021-12-07 00:58:03,713 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11207 transitions. Word has length 224 [2021-12-07 00:58:03,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:58:03,714 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11207 transitions. [2021-12-07 00:58:03,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 00:58:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11207 transitions. [2021-12-07 00:58:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-07 00:58:03,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:58:03,722 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:58:03,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:58:03,722 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:58:03,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:58:03,723 INFO L85 PathProgramCache]: Analyzing trace with hash 227631321, now seen corresponding path program 1 times [2021-12-07 00:58:03,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:58:03,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590444877] [2021-12-07 00:58:03,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:58:03,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:58:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:58:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:58:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:58:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:58:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:58:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:58:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:58:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:58:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:58:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 00:58:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 00:58:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:58:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 00:58:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 00:58:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-12-07 00:58:04,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:58:04,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590444877] [2021-12-07 00:58:04,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590444877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:58:04,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:58:04,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:58:04,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828172262] [2021-12-07 00:58:04,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:58:04,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:58:04,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:58:04,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:58:04,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:58:04,228 INFO L87 Difference]: Start difference. First operand 7386 states and 11207 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:58:06,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:08,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:12,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:14,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:16,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:19,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:22,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:23,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:25,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:27,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:30,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:32,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:34,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:37,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:39,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:43,556 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 [] [2021-12-07 00:58:46,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:58:46,253 INFO L93 Difference]: Finished difference Result 9329 states and 14021 transitions. [2021-12-07 00:58:46,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:58:46,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 235 [2021-12-07 00:58:46,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:58:46,282 INFO L225 Difference]: With dead ends: 9329 [2021-12-07 00:58:46,282 INFO L226 Difference]: Without dead ends: 9326 [2021-12-07 00:58:46,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:58:46,285 INFO L933 BasicCegarLoop]: 5913 mSDtfsCounter, 5904 mSDsluCounter, 4494 mSDsCounter, 0 mSdLazyCounter, 3236 mSolverCounterSat, 5580 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6556 SdHoareTripleChecker+Valid, 10407 SdHoareTripleChecker+Invalid, 8828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5580 IncrementalHoareTripleChecker+Valid, 3236 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:58:46,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6556 Valid, 10407 Invalid, 8828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5580 Valid, 3236 Invalid, 12 Unknown, 0 Unchecked, 41.6s Time] [2021-12-07 00:58:46,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9326 states. [2021-12-07 00:58:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9326 to 8900. [2021-12-07 00:58:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8900 states, 5891 states have (on average 1.3627567475810558) internal successors, (8028), 6032 states have internal predecessors, (8028), 2661 states have call successors, (2661), 348 states have call predecessors, (2661), 347 states have return successors, (2660), 2657 states have call predecessors, (2660), 2660 states have call successors, (2660) [2021-12-07 00:58:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8900 states to 8900 states and 13349 transitions. [2021-12-07 00:58:46,681 INFO L78 Accepts]: Start accepts. Automaton has 8900 states and 13349 transitions. Word has length 235 [2021-12-07 00:58:46,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:58:46,681 INFO L470 AbstractCegarLoop]: Abstraction has 8900 states and 13349 transitions. [2021-12-07 00:58:46,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 00:58:46,681 INFO L276 IsEmpty]: Start isEmpty. Operand 8900 states and 13349 transitions. [2021-12-07 00:58:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-07 00:58:46,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:58:46,692 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:58:46,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:58:46,692 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:58:46,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:58:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1911852524, now seen corresponding path program 1 times [2021-12-07 00:58:46,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:58:46,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890641286] [2021-12-07 00:58:46,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:58:46,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:58:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:58:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:58:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 00:58:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 00:58:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:58:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 00:58:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:58:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:58:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 00:58:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:58:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 00:58:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 00:58:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-07 00:58:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-07 00:58:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-07 00:58:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:58:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:58:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 00:58:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:58:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 00:58:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:58:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:58:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:58:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:58:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-07 00:58:47,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:58:47,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890641286] [2021-12-07 00:58:47,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890641286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:58:47,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:58:47,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:58:47,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41680711] [2021-12-07 00:58:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:58:47,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:58:47,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:58:47,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:58:47,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:58:47,303 INFO L87 Difference]: Start difference. First operand 8900 states and 13349 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:58:51,188 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 [] [2021-12-07 00:58:54,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:56,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:58:59,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:00,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:01,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:03,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:05,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:09,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:11,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:15,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:17,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:19,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:20,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:22,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:24,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:26,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:28,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:29,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:31,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:34,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:37,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:39,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:41,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:43,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:45,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:47,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:48,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:49,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:51,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:54,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:55,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:59:57,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:01,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:03,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:05,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:07,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:10,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:12,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:14,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:16,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:20,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:22,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:24,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:26,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:28,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:30,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:32,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:34,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:36,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:46,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:53,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:55,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:00:57,594 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 [] [2021-12-07 01:01:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:01:11,230 INFO L93 Difference]: Finished difference Result 24473 states and 36752 transitions. [2021-12-07 01:01:11,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:01:11,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 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 238 [2021-12-07 01:01:11,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:01:11,291 INFO L225 Difference]: With dead ends: 24473 [2021-12-07 01:01:11,291 INFO L226 Difference]: Without dead ends: 15603 [2021-12-07 01:01:11,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:11,310 INFO L933 BasicCegarLoop]: 5625 mSDtfsCounter, 8635 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 16562 mSolverCounterSat, 8577 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9399 SdHoareTripleChecker+Valid, 13040 SdHoareTripleChecker+Invalid, 25175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8577 IncrementalHoareTripleChecker+Valid, 16562 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:01:11,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9399 Valid, 13040 Invalid, 25175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8577 Valid, 16562 Invalid, 36 Unknown, 0 Unchecked, 142.9s Time] [2021-12-07 01:01:11,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15603 states. [2021-12-07 01:01:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15603 to 14967. [2021-12-07 01:01:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14967 states, 9844 states have (on average 1.3576798049573344) internal successors, (13365), 10097 states have internal predecessors, (13365), 4501 states have call successors, (4501), 626 states have call predecessors, (4501), 621 states have return successors, (4545), 4471 states have call predecessors, (4545), 4500 states have call successors, (4545) [2021-12-07 01:01:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14967 states to 14967 states and 22411 transitions. [2021-12-07 01:01:11,956 INFO L78 Accepts]: Start accepts. Automaton has 14967 states and 22411 transitions. Word has length 238 [2021-12-07 01:01:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:01:11,956 INFO L470 AbstractCegarLoop]: Abstraction has 14967 states and 22411 transitions. [2021-12-07 01:01:11,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:01:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 14967 states and 22411 transitions. [2021-12-07 01:01:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-07 01:01:11,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:01:11,984 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:11,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:01:11,985 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:01:11,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:11,985 INFO L85 PathProgramCache]: Analyzing trace with hash -178490032, now seen corresponding path program 1 times [2021-12-07 01:01:11,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:11,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100195155] [2021-12-07 01:01:11,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:11,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:01:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:01:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:01:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:01:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 01:01:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 01:01:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:01:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:01:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 01:01:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:01:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 01:01:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 01:01:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:01:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 01:01:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:01:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:01:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:01:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 01:01:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:01:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:01:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 01:01:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:01:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-07 01:01:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:01:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:01:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:01:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:01:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:01:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-07 01:01:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 01:01:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-12-07 01:01:12,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:12,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100195155] [2021-12-07 01:01:12,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100195155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:12,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:12,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:01:12,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792649936] [2021-12-07 01:01:12,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:12,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:01:12,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:12,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:01:12,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:01:12,491 INFO L87 Difference]: Start difference. First operand 14967 states and 22411 transitions. Second operand has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-07 01:01:16,914 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 [] [2021-12-07 01:01:18,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:21,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:22,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:24,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:26,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:28,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:30,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:32,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:34,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:36,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:39,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:41,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:44,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:46,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:48,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:50,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:52,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:01:55,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:00,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:02,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:03,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:05,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:06,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:08,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:10,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:12,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:13,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:15,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:17,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:20,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:22,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:24,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:26,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:32,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:34,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:37,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:39,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:40,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:42,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:44,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:47,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:49,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:52,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:53,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:55,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:02:59,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:04,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:08,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:10,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:12,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:15,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:22,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:31,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:33,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:35,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:36,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:40,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:03:49,153 INFO L93 Difference]: Finished difference Result 48084 states and 72482 transitions. [2021-12-07 01:03:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:03:49,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 340 [2021-12-07 01:03:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:03:49,293 INFO L225 Difference]: With dead ends: 48084 [2021-12-07 01:03:49,293 INFO L226 Difference]: Without dead ends: 33147 [2021-12-07 01:03:49,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-12-07 01:03:49,333 INFO L933 BasicCegarLoop]: 5393 mSDtfsCounter, 13895 mSDsluCounter, 7934 mSDsCounter, 0 mSdLazyCounter, 18455 mSolverCounterSat, 13516 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14888 SdHoareTripleChecker+Valid, 13327 SdHoareTripleChecker+Invalid, 32014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13516 IncrementalHoareTripleChecker+Valid, 18455 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:03:49,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14888 Valid, 13327 Invalid, 32014 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13516 Valid, 18455 Invalid, 43 Unknown, 0 Unchecked, 154.8s Time] [2021-12-07 01:03:49,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33147 states. [2021-12-07 01:03:50,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33147 to 30088. [2021-12-07 01:03:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30088 states, 19971 states have (on average 1.3614741374993742) internal successors, (27190), 20473 states have internal predecessors, (27190), 8863 states have call successors, (8863), 1246 states have call predecessors, (8863), 1253 states have return successors, (9028), 8816 states have call predecessors, (9028), 8862 states have call successors, (9028) [2021-12-07 01:03:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30088 states to 30088 states and 45081 transitions. [2021-12-07 01:03:50,772 INFO L78 Accepts]: Start accepts. Automaton has 30088 states and 45081 transitions. Word has length 340 [2021-12-07 01:03:50,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:03:50,773 INFO L470 AbstractCegarLoop]: Abstraction has 30088 states and 45081 transitions. [2021-12-07 01:03:50,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-07 01:03:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 30088 states and 45081 transitions. [2021-12-07 01:03:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-07 01:03:50,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:03:50,805 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:03:50,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:03:50,805 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:03:50,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:50,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2082439020, now seen corresponding path program 1 times [2021-12-07 01:03:50,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:50,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723830709] [2021-12-07 01:03:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:50,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:03:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:03:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:03:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:03:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:03:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:03:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:03:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:03:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 01:03:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 01:03:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:03:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:03:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 01:03:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 01:03:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 01:03:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-07 01:03:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:03:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-07 01:03:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 01:03:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:03:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:03:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:03:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 01:03:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:03:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-07 01:03:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:03:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-07 01:03:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:03:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-07 01:03:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:03:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:03:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:03:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:03:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 01:03:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:03:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-07 01:03:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-12-07 01:03:51,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:51,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723830709] [2021-12-07 01:03:51,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723830709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:03:51,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:03:51,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:03:51,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971603336] [2021-12-07 01:03:51,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:03:51,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:03:51,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:51,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:03:51,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:03:51,382 INFO L87 Difference]: Start difference. First operand 30088 states and 45081 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-07 01:03:54,802 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 [] [2021-12-07 01:03:56,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:03:58,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:04:01,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:04:03,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:04:04,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:04:13,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []