./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/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 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:09:34,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:09:34,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:09:34,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:09:34,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:09:34,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:09:34,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:09:34,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:09:34,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:09:34,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:09:34,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:09:34,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:09:34,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:09:34,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:09:34,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:09:34,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:09:34,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:09:34,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:09:34,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:09:34,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:09:34,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:09:34,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:09:34,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:09:34,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:09:34,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:09:34,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:09:34,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:09:34,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:09:34,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:09:34,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:09:34,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:09:34,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:09:34,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:09:34,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:09:34,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:09:34,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:09:34,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:09:34,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:09:34,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:09:34,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:09:34,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:09:34,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:09:34,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:09:34,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:09:34,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:09:34,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:09:34,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:09:34,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:09:34,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:09:34,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:09:34,298 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:09:34,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:09:34,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:09:34,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:09:34,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:09:34,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:09:34,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:09:34,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:09:34,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:09:34,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:09:34,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:09:34,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:09:34,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:09:34,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:09:34,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:09:34,301 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:09:34,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:09:34,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:09:34,302 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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 [2021-12-06 17:09:34,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:09:34,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:09:34,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:09:34,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:09:34,501 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:09:34,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-06 17:09:34,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/data/c7e4ec25e/7c8dead0bd624a1fb02f9b531dbb8350/FLAG71c05ae4d [2021-12-06 17:09:35,153 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:09:35,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-06 17:09:35,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/data/c7e4ec25e/7c8dead0bd624a1fb02f9b531dbb8350/FLAG71c05ae4d [2021-12-06 17:09:35,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/data/c7e4ec25e/7c8dead0bd624a1fb02f9b531dbb8350 [2021-12-06 17:09:35,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:09:35,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:09:35,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:09:35,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:09:35,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:09:35,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:35" (1/1) ... [2021-12-06 17:09:35,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d25d022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:35, skipping insertion in model container [2021-12-06 17:09:35,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:09:35" (1/1) ... [2021-12-06 17:09:35,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:09:35,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:09:36,763 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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2021-12-06 17:09:36,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:09:36,933 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:09:37,129 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_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2021-12-06 17:09:37,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:09:37,186 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:09:37,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37 WrapperNode [2021-12-06 17:09:37,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:09:37,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:09:37,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:09:37,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:09:37,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,379 INFO L137 Inliner]: procedures = 223, calls = 2434, calls flagged for inlining = 70, calls inlined = 65, statements flattened = 5052 [2021-12-06 17:09:37,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:09:37,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:09:37,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:09:37,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:09:37,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:09:37,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:09:37,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:09:37,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:09:37,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (1/1) ... [2021-12-06 17:09:37,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:09:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:09:37,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:09:37,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:09:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 17:09:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 17:09:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2021-12-06 17:09:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2021-12-06 17:09:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 17:09:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 17:09:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 17:09:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:09:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2021-12-06 17:09:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2021-12-06 17:09:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2021-12-06 17:09:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2021-12-06 17:09:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-06 17:09:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-06 17:09:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2021-12-06 17:09:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2021-12-06 17:09:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2021-12-06 17:09:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2021-12-06 17:09:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 17:09:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 17:09:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 17:09:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 17:09:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2021-12-06 17:09:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2021-12-06 17:09:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 17:09:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 17:09:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2021-12-06 17:09:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2021-12-06 17:09:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 17:09:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 17:09:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2021-12-06 17:09:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2021-12-06 17:09:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-06 17:09:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-06 17:09:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2021-12-06 17:09:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2021-12-06 17:09:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_remove [2021-12-06 17:09:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_remove [2021-12-06 17:09:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2021-12-06 17:09:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2021-12-06 17:09:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 17:09:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 17:09:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_probe [2021-12-06 17:09:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_probe [2021-12-06 17:09:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:09:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-06 17:09:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-06 17:09:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2021-12-06 17:09:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2021-12-06 17:09:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2021-12-06 17:09:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2021-12-06 17:09:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:09:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tx_empty [2021-12-06 17:09:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tx_empty [2021-12-06 17:09:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:09:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:09:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-06 17:09:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-06 17:09:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:09:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2021-12-06 17:09:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2021-12-06 17:09:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:09:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2021-12-06 17:09:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2021-12-06 17:09:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-06 17:09:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-06 17:09:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2021-12-06 17:09:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2021-12-06 17:09:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 17:09:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 17:09:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 17:09:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 17:09:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 17:09:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 17:09:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 17:09:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 17:09:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-06 17:09:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-06 17:09:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 17:09:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 17:09:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-06 17:09:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-06 17:09:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-06 17:09:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2021-12-06 17:09:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 17:09:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 17:09:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 17:09:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2021-12-06 17:09:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2021-12-06 17:09:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2021-12-06 17:09:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2021-12-06 17:09:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:09:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:09:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:09:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2021-12-06 17:09:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2021-12-06 17:09:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2021-12-06 17:09:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2021-12-06 17:09:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:09:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:09:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2021-12-06 17:09:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2021-12-06 17:09:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 17:09:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 17:09:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:09:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 17:09:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2021-12-06 17:09:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:09:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2021-12-06 17:09:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2021-12-06 17:09:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 17:09:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2021-12-06 17:09:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2021-12-06 17:09:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 17:09:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-06 17:09:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 17:09:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 17:09:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2021-12-06 17:09:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2021-12-06 17:09:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:09:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2021-12-06 17:09:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2021-12-06 17:09:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-12-06 17:09:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-12-06 17:09:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:09:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:09:38,027 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:09:38,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:09:38,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:09:40,843 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:09:40,861 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:09:40,861 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 17:09:40,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:40 BoogieIcfgContainer [2021-12-06 17:09:40,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:09:40,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:09:40,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:09:40,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:09:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:09:35" (1/3) ... [2021-12-06 17:09:40,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce839fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:09:40, skipping insertion in model container [2021-12-06 17:09:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:09:37" (2/3) ... [2021-12-06 17:09:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce839fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:09:40, skipping insertion in model container [2021-12-06 17:09:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:09:40" (3/3) ... [2021-12-06 17:09:40,873 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-06 17:09:40,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:09:40,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:09:40,924 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:09:40,929 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:09:40,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:09:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 1516 states, 1071 states have (on average 1.4089635854341738) internal successors, (1509), 1090 states have internal predecessors, (1509), 376 states have call successors, (376), 68 states have call predecessors, (376), 67 states have return successors, (372), 372 states have call predecessors, (372), 372 states have call successors, (372) [2021-12-06 17:09:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-06 17:09:40,993 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:09:40,994 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:09:40,994 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:09:40,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:09:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1454246335, now seen corresponding path program 1 times [2021-12-06 17:09:41,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:09:41,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613980817] [2021-12-06 17:09:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:09:41,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:09:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:09:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:09:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:09:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:09:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:09:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:09:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:09:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:09:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:09:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:09:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:09:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:09:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:09:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:09:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:09:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:09:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:09:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:09:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:09:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:09:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:09:42,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:09:42,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613980817] [2021-12-06 17:09:42,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613980817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:09:42,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:09:42,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:09:42,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143456863] [2021-12-06 17:09:42,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:09:42,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:09:42,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:09:42,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:09:42,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:09:42,124 INFO L87 Difference]: Start difference. First operand has 1516 states, 1071 states have (on average 1.4089635854341738) internal successors, (1509), 1090 states have internal predecessors, (1509), 376 states have call successors, (376), 68 states have call predecessors, (376), 67 states have return successors, (372), 372 states have call predecessors, (372), 372 states have call successors, (372) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:09:44,476 INFO L93 Difference]: Finished difference Result 3099 states and 4792 transitions. [2021-12-06 17:09:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:09:44,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 265 [2021-12-06 17:09:44,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:09:44,505 INFO L225 Difference]: With dead ends: 3099 [2021-12-06 17:09:44,505 INFO L226 Difference]: Without dead ends: 1577 [2021-12-06 17:09:44,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:09:44,523 INFO L933 BasicCegarLoop]: 2116 mSDtfsCounter, 799 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 1292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1292 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:09:44,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [837 Valid, 3322 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1292 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 17:09:44,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-06 17:09:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1505. [2021-12-06 17:09:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1066 states have (on average 1.403377110694184) internal successors, (1496), 1079 states have internal predecessors, (1496), 372 states have call successors, (372), 67 states have call predecessors, (372), 66 states have return successors, (366), 366 states have call predecessors, (366), 366 states have call successors, (366) [2021-12-06 17:09:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2234 transitions. [2021-12-06 17:09:44,674 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2234 transitions. Word has length 265 [2021-12-06 17:09:44,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:09:44,675 INFO L470 AbstractCegarLoop]: Abstraction has 1505 states and 2234 transitions. [2021-12-06 17:09:44,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2234 transitions. [2021-12-06 17:09:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-06 17:09:44,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:09:44,683 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:09:44,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:09:44,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:09:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:09:44,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1060099509, now seen corresponding path program 1 times [2021-12-06 17:09:44,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:09:44,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579206446] [2021-12-06 17:09:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:09:44,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:09:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:09:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:09:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:09:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:09:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:09:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:09:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:09:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:09:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:09:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:09:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:09:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:09:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:09:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:09:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:09:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:09:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:09:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:09:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:09:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:09:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:09:45,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:09:45,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579206446] [2021-12-06 17:09:45,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579206446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:09:45,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:09:45,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:09:45,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118456858] [2021-12-06 17:09:45,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:09:45,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:09:45,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:09:45,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:09:45,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:09:45,271 INFO L87 Difference]: Start difference. First operand 1505 states and 2234 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 17:09:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:09:49,764 INFO L93 Difference]: Finished difference Result 4517 states and 6875 transitions. [2021-12-06 17:09:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:09:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 265 [2021-12-06 17:09:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:09:49,795 INFO L225 Difference]: With dead ends: 4517 [2021-12-06 17:09:49,796 INFO L226 Difference]: Without dead ends: 3060 [2021-12-06 17:09:49,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:09:49,802 INFO L933 BasicCegarLoop]: 2388 mSDtfsCounter, 2791 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 6696 SdHoareTripleChecker+Invalid, 3836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:09:49,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3065 Valid, 6696 Invalid, 3836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 17:09:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2021-12-06 17:09:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 2915. [2021-12-06 17:09:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2078 states have (on average 1.410009624639076) internal successors, (2930), 2099 states have internal predecessors, (2930), 707 states have call successors, (707), 130 states have call predecessors, (707), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-06 17:09:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 4338 transitions. [2021-12-06 17:09:49,922 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 4338 transitions. Word has length 265 [2021-12-06 17:09:49,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:09:49,923 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 4338 transitions. [2021-12-06 17:09:49,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 17:09:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 4338 transitions. [2021-12-06 17:09:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-06 17:09:49,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:09:49,928 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:09:49,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:09:49,928 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:09:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:09:49,928 INFO L85 PathProgramCache]: Analyzing trace with hash -320861640, now seen corresponding path program 1 times [2021-12-06 17:09:49,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:09:49,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425194566] [2021-12-06 17:09:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:09:49,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:09:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:09:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:09:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:09:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:09:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:09:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:09:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:09:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:09:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:09:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:09:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:09:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:09:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:09:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:09:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:09:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:09:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:09:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:09:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:09:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:09:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:09:50,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:09:50,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425194566] [2021-12-06 17:09:50,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425194566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:09:50,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:09:50,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:09:50,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218771242] [2021-12-06 17:09:50,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:09:50,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:09:50,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:09:50,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:09:50,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:09:50,545 INFO L87 Difference]: Start difference. First operand 2915 states and 4338 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:09:54,718 INFO L93 Difference]: Finished difference Result 3058 states and 4704 transitions. [2021-12-06 17:09:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:09:54,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2021-12-06 17:09:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:09:54,737 INFO L225 Difference]: With dead ends: 3058 [2021-12-06 17:09:54,737 INFO L226 Difference]: Without dead ends: 3055 [2021-12-06 17:09:54,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:09:54,742 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 2404 mSDsluCounter, 3266 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 1023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:09:54,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2643 Valid, 5362 Invalid, 2683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1023 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-06 17:09:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2021-12-06 17:09:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2914. [2021-12-06 17:09:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2078 states have (on average 1.4095283926852744) internal successors, (2929), 2098 states have internal predecessors, (2929), 706 states have call successors, (706), 130 states have call predecessors, (706), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-06 17:09:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4336 transitions. [2021-12-06 17:09:54,849 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4336 transitions. Word has length 267 [2021-12-06 17:09:54,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:09:54,850 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 4336 transitions. [2021-12-06 17:09:54,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4336 transitions. [2021-12-06 17:09:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-06 17:09:54,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:09:54,855 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:09:54,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:09:54,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:09:54,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:09:54,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1357326777, now seen corresponding path program 1 times [2021-12-06 17:09:54,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:09:54,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181842678] [2021-12-06 17:09:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:09:54,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:09:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:09:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:09:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:09:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:09:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:09:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:09:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:09:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:09:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:09:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:09:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:09:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:09:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:09:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:09:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:09:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:09:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:09:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:09:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:09:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:09:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:09:55,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:09:55,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181842678] [2021-12-06 17:09:55,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181842678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:09:55,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:09:55,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:09:55,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026933006] [2021-12-06 17:09:55,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:09:55,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:09:55,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:09:55,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:09:55,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:09:55,511 INFO L87 Difference]: Start difference. First operand 2914 states and 4336 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:09:57,635 INFO L93 Difference]: Finished difference Result 3057 states and 4702 transitions. [2021-12-06 17:09:57,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:09:57,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 268 [2021-12-06 17:09:57,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:09:57,652 INFO L225 Difference]: With dead ends: 3057 [2021-12-06 17:09:57,652 INFO L226 Difference]: Without dead ends: 3054 [2021-12-06 17:09:57,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:09:57,655 INFO L933 BasicCegarLoop]: 2094 mSDtfsCounter, 2716 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 3289 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1478 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:09:57,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 3289 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1478 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:09:57,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2021-12-06 17:09:57,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2913. [2021-12-06 17:09:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2078 states have (on average 1.4090471607314725) internal successors, (2928), 2097 states have internal predecessors, (2928), 705 states have call successors, (705), 130 states have call predecessors, (705), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-06 17:09:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 4334 transitions. [2021-12-06 17:09:57,780 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 4334 transitions. Word has length 268 [2021-12-06 17:09:57,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:09:57,780 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 4334 transitions. [2021-12-06 17:09:57,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:09:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 4334 transitions. [2021-12-06 17:09:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-06 17:09:57,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:09:57,784 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:09:57,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:09:57,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:09:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:09:57,785 INFO L85 PathProgramCache]: Analyzing trace with hash 871997211, now seen corresponding path program 1 times [2021-12-06 17:09:57,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:09:57,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819612200] [2021-12-06 17:09:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:09:57,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:09:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:09:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:09:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:09:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:09:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:09:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:09:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:09:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:09:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:09:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:09:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:09:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:09:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:09:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:09:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:09:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:09:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:09:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:09:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:09:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:09:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:09:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:09:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:09:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:09:58,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:09:58,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819612200] [2021-12-06 17:09:58,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819612200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:09:58,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:09:58,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:09:58,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110774592] [2021-12-06 17:09:58,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:09:58,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:09:58,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:09:58,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:09:58,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:09:58,335 INFO L87 Difference]: Start difference. First operand 2913 states and 4334 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:10:00,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:00,476 INFO L93 Difference]: Finished difference Result 3056 states and 4700 transitions. [2021-12-06 17:10:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:10:00,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 269 [2021-12-06 17:10:00,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:00,491 INFO L225 Difference]: With dead ends: 3056 [2021-12-06 17:10:00,491 INFO L226 Difference]: Without dead ends: 3053 [2021-12-06 17:10:00,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:10:00,493 INFO L933 BasicCegarLoop]: 2099 mSDtfsCounter, 2712 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 1475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1475 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:00,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2950 Valid, 3297 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1475 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:10:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2021-12-06 17:10:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2912. [2021-12-06 17:10:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2078 states have (on average 1.4085659287776708) internal successors, (2927), 2096 states have internal predecessors, (2927), 704 states have call successors, (704), 130 states have call predecessors, (704), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-06 17:10:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4332 transitions. [2021-12-06 17:10:00,592 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4332 transitions. Word has length 269 [2021-12-06 17:10:00,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:00,592 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 4332 transitions. [2021-12-06 17:10:00,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:10:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4332 transitions. [2021-12-06 17:10:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-06 17:10:00,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:00,596 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:00,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:10:00,596 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1261568970, now seen corresponding path program 1 times [2021-12-06 17:10:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:00,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173544745] [2021-12-06 17:10:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:10:01,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:01,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173544745] [2021-12-06 17:10:01,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173544745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:01,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:01,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:10:01,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523293301] [2021-12-06 17:10:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:01,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:10:01,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:10:01,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:10:01,128 INFO L87 Difference]: Start difference. First operand 2912 states and 4332 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:10:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:05,512 INFO L93 Difference]: Finished difference Result 8873 states and 13563 transitions. [2021-12-06 17:10:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:10:05,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 270 [2021-12-06 17:10:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:05,554 INFO L225 Difference]: With dead ends: 8873 [2021-12-06 17:10:05,554 INFO L226 Difference]: Without dead ends: 6002 [2021-12-06 17:10:05,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:10:05,568 INFO L933 BasicCegarLoop]: 2462 mSDtfsCounter, 3140 mSDsluCounter, 4288 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 1879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 6750 SdHoareTripleChecker+Invalid, 3943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1879 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:05,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3412 Valid, 6750 Invalid, 3943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1879 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-06 17:10:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2021-12-06 17:10:05,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5726. [2021-12-06 17:10:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 4096 states have (on average 1.412109375) internal successors, (5784), 4136 states have internal predecessors, (5784), 1374 states have call successors, (1374), 253 states have call predecessors, (1374), 255 states have return successors, (1401), 1368 states have call predecessors, (1401), 1369 states have call successors, (1401) [2021-12-06 17:10:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 8559 transitions. [2021-12-06 17:10:05,803 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 8559 transitions. Word has length 270 [2021-12-06 17:10:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:05,804 INFO L470 AbstractCegarLoop]: Abstraction has 5726 states and 8559 transitions. [2021-12-06 17:10:05,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:10:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 8559 transitions. [2021-12-06 17:10:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-06 17:10:05,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:05,811 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:05,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:10:05,812 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash -309930588, now seen corresponding path program 1 times [2021-12-06 17:10:05,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:05,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855008105] [2021-12-06 17:10:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:05,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 17:10:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 17:10:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 17:10:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-06 17:10:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:10:06,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:06,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855008105] [2021-12-06 17:10:06,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855008105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:06,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:06,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:06,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852266591] [2021-12-06 17:10:06,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:06,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:06,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:06,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:06,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:06,296 INFO L87 Difference]: Start difference. First operand 5726 states and 8559 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:10:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:12,704 INFO L93 Difference]: Finished difference Result 16591 states and 25018 transitions. [2021-12-06 17:10:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:10:12,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 306 [2021-12-06 17:10:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:12,750 INFO L225 Difference]: With dead ends: 16591 [2021-12-06 17:10:12,750 INFO L226 Difference]: Without dead ends: 10913 [2021-12-06 17:10:12,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:10:12,770 INFO L933 BasicCegarLoop]: 2122 mSDtfsCounter, 4366 mSDsluCounter, 3241 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 3152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 5363 SdHoareTripleChecker+Invalid, 7540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3152 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:12,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4671 Valid, 5363 Invalid, 7540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3152 Valid, 4388 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-06 17:10:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10913 states. [2021-12-06 17:10:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10913 to 10352. [2021-12-06 17:10:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10352 states, 7428 states have (on average 1.4006462035541196) internal successors, (10404), 7510 states have internal predecessors, (10404), 2416 states have call successors, (2416), 497 states have call predecessors, (2416), 507 states have return successors, (2469), 2408 states have call predecessors, (2469), 2411 states have call successors, (2469) [2021-12-06 17:10:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10352 states to 10352 states and 15289 transitions. [2021-12-06 17:10:13,164 INFO L78 Accepts]: Start accepts. Automaton has 10352 states and 15289 transitions. Word has length 306 [2021-12-06 17:10:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:13,164 INFO L470 AbstractCegarLoop]: Abstraction has 10352 states and 15289 transitions. [2021-12-06 17:10:13,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:10:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 10352 states and 15289 transitions. [2021-12-06 17:10:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-06 17:10:13,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:13,172 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:13,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:10:13,173 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1685142080, now seen corresponding path program 1 times [2021-12-06 17:10:13,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:13,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009179945] [2021-12-06 17:10:13,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:13,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 17:10:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-06 17:10:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 17:10:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 17:10:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-06 17:10:13,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009179945] [2021-12-06 17:10:13,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009179945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:13,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:13,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:13,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506925530] [2021-12-06 17:10:13,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:13,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:13,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:13,644 INFO L87 Difference]: Start difference. First operand 10352 states and 15289 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:10:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:23,931 INFO L93 Difference]: Finished difference Result 26206 states and 39114 transitions. [2021-12-06 17:10:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:10:23,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2021-12-06 17:10:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:23,977 INFO L225 Difference]: With dead ends: 26206 [2021-12-06 17:10:23,977 INFO L226 Difference]: Without dead ends: 15912 [2021-12-06 17:10:24,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:10:24,004 INFO L933 BasicCegarLoop]: 3127 mSDtfsCounter, 3102 mSDsluCounter, 5289 mSDsCounter, 0 mSdLazyCounter, 6526 mSolverCounterSat, 2258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 8416 SdHoareTripleChecker+Invalid, 8784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2258 IncrementalHoareTripleChecker+Valid, 6526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:24,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3408 Valid, 8416 Invalid, 8784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2258 Valid, 6526 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-06 17:10:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15912 states. [2021-12-06 17:10:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15912 to 15074. [2021-12-06 17:10:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15074 states, 10844 states have (on average 1.3958871265215786) internal successors, (15137), 10968 states have internal predecessors, (15137), 3468 states have call successors, (3468), 745 states have call predecessors, (3468), 761 states have return successors, (3543), 3456 states have call predecessors, (3543), 3463 states have call successors, (3543) [2021-12-06 17:10:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15074 states to 15074 states and 22148 transitions. [2021-12-06 17:10:24,484 INFO L78 Accepts]: Start accepts. Automaton has 15074 states and 22148 transitions. Word has length 304 [2021-12-06 17:10:24,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:24,484 INFO L470 AbstractCegarLoop]: Abstraction has 15074 states and 22148 transitions. [2021-12-06 17:10:24,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:10:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 15074 states and 22148 transitions. [2021-12-06 17:10:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-06 17:10:24,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:24,505 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:10:24,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:10:24,505 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:24,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:24,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1201914882, now seen corresponding path program 1 times [2021-12-06 17:10:24,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:24,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817677151] [2021-12-06 17:10:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:24,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:10:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:10:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:10:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:10:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:10:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:10:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:10:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:10:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 17:10:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-06 17:10:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 17:10:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-06 17:10:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2096 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2021-12-06 17:10:25,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:25,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817677151] [2021-12-06 17:10:25,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817677151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:25,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:25,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:25,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582664617] [2021-12-06 17:10:25,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:25,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:25,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:25,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:25,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:25,285 INFO L87 Difference]: Start difference. First operand 15074 states and 22148 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-06 17:10:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:32,994 INFO L93 Difference]: Finished difference Result 39050 states and 58010 transitions. [2021-12-06 17:10:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:10:32,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 447 [2021-12-06 17:10:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:33,058 INFO L225 Difference]: With dead ends: 39050 [2021-12-06 17:10:33,059 INFO L226 Difference]: Without dead ends: 24042 [2021-12-06 17:10:33,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:10:33,117 INFO L933 BasicCegarLoop]: 2490 mSDtfsCounter, 3787 mSDsluCounter, 3280 mSDsCounter, 0 mSdLazyCounter, 5224 mSolverCounterSat, 2958 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 5770 SdHoareTripleChecker+Invalid, 8182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2958 IncrementalHoareTripleChecker+Valid, 5224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:33,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 5770 Invalid, 8182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2958 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-06 17:10:33,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24042 states. [2021-12-06 17:10:33,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24042 to 22706. [2021-12-06 17:10:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22706 states, 16568 states have (on average 1.3788628681796233) internal successors, (22845), 16748 states have internal predecessors, (22845), 4952 states have call successors, (4952), 1163 states have call predecessors, (4952), 1185 states have return successors, (5049), 4938 states have call predecessors, (5049), 4947 states have call successors, (5049) [2021-12-06 17:10:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22706 states to 22706 states and 32846 transitions. [2021-12-06 17:10:33,856 INFO L78 Accepts]: Start accepts. Automaton has 22706 states and 32846 transitions. Word has length 447 [2021-12-06 17:10:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:33,857 INFO L470 AbstractCegarLoop]: Abstraction has 22706 states and 32846 transitions. [2021-12-06 17:10:33,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-06 17:10:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22706 states and 32846 transitions. [2021-12-06 17:10:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-12-06 17:10:33,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:33,869 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2021-12-06 17:10:33,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:10:33,869 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1715498778, now seen corresponding path program 1 times [2021-12-06 17:10:33,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:33,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396293975] [2021-12-06 17:10:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:33,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:10:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:10:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:10:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:10:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:10:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:10:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:10:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:10:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-06 17:10:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 17:10:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-06 17:10:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 17:10:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2021-12-06 17:10:34,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:34,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396293975] [2021-12-06 17:10:34,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396293975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:34,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:34,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:34,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182726373] [2021-12-06 17:10:34,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:34,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:34,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:34,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:34,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:34,541 INFO L87 Difference]: Start difference. First operand 22706 states and 32846 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-06 17:10:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:45,152 INFO L93 Difference]: Finished difference Result 58106 states and 84758 transitions. [2021-12-06 17:10:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:10:45,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 445 [2021-12-06 17:10:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:45,285 INFO L225 Difference]: With dead ends: 58106 [2021-12-06 17:10:45,285 INFO L226 Difference]: Without dead ends: 35466 [2021-12-06 17:10:45,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:10:45,326 INFO L933 BasicCegarLoop]: 2510 mSDtfsCounter, 3734 mSDsluCounter, 4288 mSDsCounter, 0 mSdLazyCounter, 6381 mSolverCounterSat, 2820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4042 SdHoareTripleChecker+Valid, 6798 SdHoareTripleChecker+Invalid, 9201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2820 IncrementalHoareTripleChecker+Valid, 6381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:45,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4042 Valid, 6798 Invalid, 9201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2820 Valid, 6381 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2021-12-06 17:10:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35466 states. [2021-12-06 17:10:46,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35466 to 33392. [2021-12-06 17:10:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33392 states, 24710 states have (on average 1.3624848239579117) internal successors, (33667), 24964 states have internal predecessors, (33667), 6892 states have call successors, (6892), 1761 states have call predecessors, (6892), 1789 states have return successors, (7011), 6874 states have call predecessors, (7011), 6887 states have call successors, (7011) [2021-12-06 17:10:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33392 states to 33392 states and 47570 transitions. [2021-12-06 17:10:46,290 INFO L78 Accepts]: Start accepts. Automaton has 33392 states and 47570 transitions. Word has length 445 [2021-12-06 17:10:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:46,291 INFO L470 AbstractCegarLoop]: Abstraction has 33392 states and 47570 transitions. [2021-12-06 17:10:46,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-06 17:10:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33392 states and 47570 transitions. [2021-12-06 17:10:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-06 17:10:46,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:46,309 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 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] [2021-12-06 17:10:46,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:10:46,310 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash -378579904, now seen corresponding path program 1 times [2021-12-06 17:10:46,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:46,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387363805] [2021-12-06 17:10:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:46,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:10:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:10:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:10:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:10:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:10:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:10:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:10:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:10:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-06 17:10:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-06 17:10:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:10:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 17:10:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2095 trivial. 0 not checked. [2021-12-06 17:10:46,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:46,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387363805] [2021-12-06 17:10:46,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387363805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:46,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:46,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:46,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370406512] [2021-12-06 17:10:46,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:46,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:46,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:47,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:47,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:47,000 INFO L87 Difference]: Start difference. First operand 33392 states and 47570 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 17:10:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:10:54,405 INFO L93 Difference]: Finished difference Result 80212 states and 115232 transitions. [2021-12-06 17:10:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:10:54,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 474 [2021-12-06 17:10:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:10:54,528 INFO L225 Difference]: With dead ends: 80212 [2021-12-06 17:10:54,528 INFO L226 Difference]: Without dead ends: 46886 [2021-12-06 17:10:54,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:10:54,592 INFO L933 BasicCegarLoop]: 3365 mSDtfsCounter, 3314 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 4200 mSolverCounterSat, 2876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 7076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2876 IncrementalHoareTripleChecker+Valid, 4200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:10:54,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3621 Valid, 6667 Invalid, 7076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2876 Valid, 4200 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-06 17:10:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46886 states. [2021-12-06 17:10:55,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46886 to 44078. [2021-12-06 17:10:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44078 states, 32852 states have (on average 1.3542250091318642) internal successors, (44489), 33180 states have internal predecessors, (44489), 8832 states have call successors, (8832), 2359 states have call predecessors, (8832), 2393 states have return successors, (8973), 8810 states have call predecessors, (8973), 8827 states have call successors, (8973) [2021-12-06 17:10:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44078 states to 44078 states and 62294 transitions. [2021-12-06 17:10:55,959 INFO L78 Accepts]: Start accepts. Automaton has 44078 states and 62294 transitions. Word has length 474 [2021-12-06 17:10:55,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:10:55,960 INFO L470 AbstractCegarLoop]: Abstraction has 44078 states and 62294 transitions. [2021-12-06 17:10:55,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 17:10:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 44078 states and 62294 transitions. [2021-12-06 17:10:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-12-06 17:10:55,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:10:55,976 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 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] [2021-12-06 17:10:55,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 17:10:55,977 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:10:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:10:55,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1739222372, now seen corresponding path program 1 times [2021-12-06 17:10:55,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:10:55,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325809026] [2021-12-06 17:10:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:10:55,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:10:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:10:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:10:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:10:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:10:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:10:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:10:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:10:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:10:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:10:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:10:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:10:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:10:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:10:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:10:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:10:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:10:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:10:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:10:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:10:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:10:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:10:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:10:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:10:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:10:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:10:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:10:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:10:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:10:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:10:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 17:10:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 17:10:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-06 17:10:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:10:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 17:10:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:10:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-12-06 17:10:56,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:10:56,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325809026] [2021-12-06 17:10:56,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325809026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:10:56,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:10:56,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:10:56,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044541639] [2021-12-06 17:10:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:10:56,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:10:56,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:10:56,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:10:56,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:10:56,533 INFO L87 Difference]: Start difference. First operand 44078 states and 62294 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 17:11:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:11:07,269 INFO L93 Difference]: Finished difference Result 105532 states and 150200 transitions. [2021-12-06 17:11:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:11:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 478 [2021-12-06 17:11:07,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:11:07,448 INFO L225 Difference]: With dead ends: 105532 [2021-12-06 17:11:07,448 INFO L226 Difference]: Without dead ends: 61520 [2021-12-06 17:11:07,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:11:07,535 INFO L933 BasicCegarLoop]: 3392 mSDtfsCounter, 3121 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 5644 mSolverCounterSat, 2371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 7898 SdHoareTripleChecker+Invalid, 8015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2371 IncrementalHoareTripleChecker+Valid, 5644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:11:07,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3426 Valid, 7898 Invalid, 8015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2371 Valid, 5644 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 17:11:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61520 states. [2021-12-06 17:11:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61520 to 57750. [2021-12-06 17:11:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57750 states, 43376 states have (on average 1.3461130579122096) internal successors, (58389), 43792 states have internal predecessors, (58389), 11204 states have call successors, (11204), 3129 states have call predecessors, (11204), 3169 states have return successors, (11367), 11180 states have call predecessors, (11367), 11199 states have call successors, (11367) [2021-12-06 17:11:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57750 states to 57750 states and 80960 transitions. [2021-12-06 17:11:09,277 INFO L78 Accepts]: Start accepts. Automaton has 57750 states and 80960 transitions. Word has length 478 [2021-12-06 17:11:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:11:09,277 INFO L470 AbstractCegarLoop]: Abstraction has 57750 states and 80960 transitions. [2021-12-06 17:11:09,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 17:11:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57750 states and 80960 transitions. [2021-12-06 17:11:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-06 17:11:09,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:11:09,313 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 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, 1] [2021-12-06 17:11:09,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 17:11:09,313 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:11:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:11:09,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1467356524, now seen corresponding path program 1 times [2021-12-06 17:11:09,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:11:09,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824259209] [2021-12-06 17:11:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:11:09,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:11:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:11:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:11:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:11:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:11:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:11:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:11:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:11:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:11:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:11:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:11:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:11:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:11:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:11:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:11:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:11:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:11:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:11:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:11:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:11:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:11:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:11:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:11:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:11:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:11:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:11:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:11:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:11:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:11:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:11:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-06 17:11:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-06 17:11:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-06 17:11:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-06 17:11:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2021-12-06 17:11:09,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:11:09,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824259209] [2021-12-06 17:11:09,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824259209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:11:09,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:11:09,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:11:09,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236669819] [2021-12-06 17:11:09,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:11:09,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:11:09,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:11:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:11:09,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:11:09,965 INFO L87 Difference]: Start difference. First operand 57750 states and 80960 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:11:23,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:11:23,186 INFO L93 Difference]: Finished difference Result 119188 states and 167634 transitions. [2021-12-06 17:11:23,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:11:23,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 522 [2021-12-06 17:11:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:11:23,386 INFO L225 Difference]: With dead ends: 119188 [2021-12-06 17:11:23,386 INFO L226 Difference]: Without dead ends: 61504 [2021-12-06 17:11:23,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:11:23,477 INFO L933 BasicCegarLoop]: 3669 mSDtfsCounter, 3164 mSDsluCounter, 6308 mSDsCounter, 0 mSdLazyCounter, 7933 mSolverCounterSat, 2244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3549 SdHoareTripleChecker+Valid, 9977 SdHoareTripleChecker+Invalid, 10177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2244 IncrementalHoareTripleChecker+Valid, 7933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:11:23,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3549 Valid, 9977 Invalid, 10177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2244 Valid, 7933 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-12-06 17:11:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61504 states. [2021-12-06 17:11:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61504 to 57540. [2021-12-06 17:11:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57540 states, 43245 states have (on average 1.3462134350791999) internal successors, (58217), 43647 states have internal predecessors, (58217), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3142 states have return successors, (11205), 11141 states have call predecessors, (11205), 11145 states have call successors, (11205) [2021-12-06 17:11:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57540 states to 57540 states and 80574 transitions. [2021-12-06 17:11:25,333 INFO L78 Accepts]: Start accepts. Automaton has 57540 states and 80574 transitions. Word has length 522 [2021-12-06 17:11:25,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:11:25,334 INFO L470 AbstractCegarLoop]: Abstraction has 57540 states and 80574 transitions. [2021-12-06 17:11:25,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:11:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 57540 states and 80574 transitions. [2021-12-06 17:11:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-06 17:11:25,353 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:11:25,353 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 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, 1] [2021-12-06 17:11:25,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 17:11:25,353 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:11:25,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:11:25,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1678707437, now seen corresponding path program 1 times [2021-12-06 17:11:25,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:11:25,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557137912] [2021-12-06 17:11:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:11:25,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:11:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:11:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:11:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:11:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:11:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:11:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:11:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:11:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:11:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:11:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:11:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:11:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:11:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:11:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:11:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:11:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:11:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:11:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:11:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:11:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:11:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:11:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:11:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:11:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:11:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:11:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:11:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:11:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:11:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:11:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-06 17:11:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-06 17:11:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-06 17:11:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-06 17:11:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2117 trivial. 0 not checked. [2021-12-06 17:11:26,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:11:26,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557137912] [2021-12-06 17:11:26,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557137912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:11:26,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:11:26,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:11:26,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949455850] [2021-12-06 17:11:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:11:26,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:11:26,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:11:26,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:11:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:11:26,085 INFO L87 Difference]: Start difference. First operand 57540 states and 80574 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:11:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:11:47,479 INFO L93 Difference]: Finished difference Result 150872 states and 211158 transitions. [2021-12-06 17:11:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 17:11:47,479 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 522 [2021-12-06 17:11:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:11:47,803 INFO L225 Difference]: With dead ends: 150872 [2021-12-06 17:11:47,803 INFO L226 Difference]: Without dead ends: 93398 [2021-12-06 17:11:47,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:11:47,907 INFO L933 BasicCegarLoop]: 3879 mSDtfsCounter, 3089 mSDsluCounter, 13371 mSDsCounter, 0 mSdLazyCounter, 12969 mSolverCounterSat, 2534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 17250 SdHoareTripleChecker+Invalid, 15503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2534 IncrementalHoareTripleChecker+Valid, 12969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:11:47,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3423 Valid, 17250 Invalid, 15503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2534 Valid, 12969 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2021-12-06 17:11:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93398 states. [2021-12-06 17:11:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93398 to 57604. [2021-12-06 17:11:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57604 states, 43293 states have (on average 1.3458295798396969) internal successors, (58265), 43695 states have internal predecessors, (58265), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3158 states have return successors, (11225), 11157 states have call predecessors, (11225), 11145 states have call successors, (11225) [2021-12-06 17:11:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57604 states to 57604 states and 80642 transitions. [2021-12-06 17:11:50,002 INFO L78 Accepts]: Start accepts. Automaton has 57604 states and 80642 transitions. Word has length 522 [2021-12-06 17:11:50,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:11:50,003 INFO L470 AbstractCegarLoop]: Abstraction has 57604 states and 80642 transitions. [2021-12-06 17:11:50,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:11:50,003 INFO L276 IsEmpty]: Start isEmpty. Operand 57604 states and 80642 transitions. [2021-12-06 17:11:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-06 17:11:50,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:11:50,025 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 3, 3, 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] [2021-12-06 17:11:50,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 17:11:50,026 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:11:50,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:11:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1637092295, now seen corresponding path program 1 times [2021-12-06 17:11:50,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:11:50,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837627356] [2021-12-06 17:11:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:11:50,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:11:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:11:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:11:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:11:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:11:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:11:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:11:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:11:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:11:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:11:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:11:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:11:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:11:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:11:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:11:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:11:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:11:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:11:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:11:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:11:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:11:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:11:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:11:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:11:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:11:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:11:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:11:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:11:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:11:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:11:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:11:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:11:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 17:11:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 17:11:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 17:11:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:11:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 17:11:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:11:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2021-12-06 17:11:50,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:11:50,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837627356] [2021-12-06 17:11:50,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837627356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:11:50,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:11:50,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:11:50,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937112618] [2021-12-06 17:11:50,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:11:50,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:11:50,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:11:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:11:50,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:11:50,662 INFO L87 Difference]: Start difference. First operand 57604 states and 80642 transitions. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:12:13,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:12:13,573 INFO L93 Difference]: Finished difference Result 151052 states and 211358 transitions. [2021-12-06 17:12:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 17:12:13,574 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 528 [2021-12-06 17:12:13,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:12:13,858 INFO L225 Difference]: With dead ends: 151052 [2021-12-06 17:12:13,859 INFO L226 Difference]: Without dead ends: 93514 [2021-12-06 17:12:14,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:12:14,004 INFO L933 BasicCegarLoop]: 3885 mSDtfsCounter, 3082 mSDsluCounter, 13396 mSDsCounter, 0 mSdLazyCounter, 12977 mSolverCounterSat, 2539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 17281 SdHoareTripleChecker+Invalid, 15516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2539 IncrementalHoareTripleChecker+Valid, 12977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:12:14,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 17281 Invalid, 15516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2539 Valid, 12977 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2021-12-06 17:12:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93514 states. [2021-12-06 17:12:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93514 to 57660. [2021-12-06 17:12:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57660 states, 43337 states have (on average 1.345478459514964) internal successors, (58309), 43735 states have internal predecessors, (58309), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3170 states have return successors, (11237), 11173 states have call predecessors, (11237), 11145 states have call successors, (11237) [2021-12-06 17:12:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57660 states to 57660 states and 80698 transitions. [2021-12-06 17:12:16,325 INFO L78 Accepts]: Start accepts. Automaton has 57660 states and 80698 transitions. Word has length 528 [2021-12-06 17:12:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:12:16,325 INFO L470 AbstractCegarLoop]: Abstraction has 57660 states and 80698 transitions. [2021-12-06 17:12:16,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 17:12:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 57660 states and 80698 transitions. [2021-12-06 17:12:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-06 17:12:16,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:12:16,350 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:12:16,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 17:12:16,350 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:12:16,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:12:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1142861789, now seen corresponding path program 1 times [2021-12-06 17:12:16,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:12:16,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095725971] [2021-12-06 17:12:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:12:16,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:12:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:12:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:12:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:12:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:12:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:12:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:12:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:12:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:12:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:12:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:12:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:12:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:12:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:12:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:12:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:12:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:12:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:12:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:12:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:12:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:12:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:12:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:12:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:12:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:12:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:12:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:12:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:12:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:12:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:12:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:12:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:12:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-06 17:12:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-06 17:12:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 17:12:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-06 17:12:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2139 trivial. 0 not checked. [2021-12-06 17:12:17,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:12:17,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095725971] [2021-12-06 17:12:17,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095725971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:12:17,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:12:17,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:12:17,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684004953] [2021-12-06 17:12:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:12:17,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:12:17,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:12:17,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:12:17,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:12:17,032 INFO L87 Difference]: Start difference. First operand 57660 states and 80698 transitions. Second operand has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 17:12:27,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:12:27,704 INFO L93 Difference]: Finished difference Result 63951 states and 89668 transitions. [2021-12-06 17:12:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:12:27,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 539 [2021-12-06 17:12:27,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:12:27,868 INFO L225 Difference]: With dead ends: 63951 [2021-12-06 17:12:27,868 INFO L226 Difference]: Without dead ends: 60541 [2021-12-06 17:12:27,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:12:27,893 INFO L933 BasicCegarLoop]: 2002 mSDtfsCounter, 1626 mSDsluCounter, 7486 mSDsCounter, 0 mSdLazyCounter, 6018 mSolverCounterSat, 1831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 9488 SdHoareTripleChecker+Invalid, 7849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1831 IncrementalHoareTripleChecker+Valid, 6018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:12:27,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 9488 Invalid, 7849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1831 Valid, 6018 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-06 17:12:27,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60541 states. [2021-12-06 17:12:29,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60541 to 56733. [2021-12-06 17:12:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56733 states, 42705 states have (on average 1.34337899543379) internal successors, (57369), 43061 states have internal predecessors, (57369), 10871 states have call successors, (10871), 3089 states have call predecessors, (10871), 3156 states have return successors, (10957), 10906 states have call predecessors, (10957), 10865 states have call successors, (10957) [2021-12-06 17:12:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56733 states to 56733 states and 79197 transitions. [2021-12-06 17:12:29,982 INFO L78 Accepts]: Start accepts. Automaton has 56733 states and 79197 transitions. Word has length 539 [2021-12-06 17:12:29,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:12:29,983 INFO L470 AbstractCegarLoop]: Abstraction has 56733 states and 79197 transitions. [2021-12-06 17:12:29,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 17:12:29,983 INFO L276 IsEmpty]: Start isEmpty. Operand 56733 states and 79197 transitions. [2021-12-06 17:12:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-12-06 17:12:30,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:12:30,010 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:12:30,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 17:12:30,011 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:12:30,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:12:30,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1920328710, now seen corresponding path program 1 times [2021-12-06 17:12:30,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:12:30,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050454307] [2021-12-06 17:12:30,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:12:30,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:12:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:12:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:12:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:12:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:12:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:12:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:12:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:12:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:12:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:12:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:12:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:12:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:12:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:12:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:12:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:12:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:12:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:12:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:12:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:12:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:12:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:12:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:12:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:12:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:12:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:12:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:12:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:12:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:12:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:12:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:12:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:12:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:12:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:12:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:12:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2144 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2021-12-06 17:12:30,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:12:30,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050454307] [2021-12-06 17:12:30,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050454307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:12:30,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:12:30,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:12:30,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460024128] [2021-12-06 17:12:30,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:12:30,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:12:30,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:12:30,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:12:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:12:30,616 INFO L87 Difference]: Start difference. First operand 56733 states and 79197 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-12-06 17:12:44,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:12:44,783 INFO L93 Difference]: Finished difference Result 87919 states and 123276 transitions. [2021-12-06 17:12:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:12:44,784 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) Word has length 543 [2021-12-06 17:12:44,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:12:44,941 INFO L225 Difference]: With dead ends: 87919 [2021-12-06 17:12:44,941 INFO L226 Difference]: Without dead ends: 60485 [2021-12-06 17:12:44,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:12:44,995 INFO L933 BasicCegarLoop]: 1999 mSDtfsCounter, 1290 mSDsluCounter, 8679 mSDsCounter, 0 mSdLazyCounter, 7915 mSolverCounterSat, 1008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 10678 SdHoareTripleChecker+Invalid, 8923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1008 IncrementalHoareTripleChecker+Valid, 7915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:12:44,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1417 Valid, 10678 Invalid, 8923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1008 Valid, 7915 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2021-12-06 17:12:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60485 states. [2021-12-06 17:12:46,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60485 to 56705. [2021-12-06 17:12:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56705 states, 42691 states have (on average 1.3431636644726055) internal successors, (57341), 43033 states have internal predecessors, (57341), 10871 states have call successors, (10871), 3089 states have call predecessors, (10871), 3142 states have return successors, (10941), 10906 states have call predecessors, (10941), 10865 states have call successors, (10941) [2021-12-06 17:12:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56705 states to 56705 states and 79153 transitions. [2021-12-06 17:12:46,857 INFO L78 Accepts]: Start accepts. Automaton has 56705 states and 79153 transitions. Word has length 543 [2021-12-06 17:12:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:12:46,858 INFO L470 AbstractCegarLoop]: Abstraction has 56705 states and 79153 transitions. [2021-12-06 17:12:46,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-12-06 17:12:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 56705 states and 79153 transitions. [2021-12-06 17:12:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-12-06 17:12:46,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:12:46,905 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:12:46,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 17:12:46,905 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:12:46,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:12:46,906 INFO L85 PathProgramCache]: Analyzing trace with hash 74817619, now seen corresponding path program 1 times [2021-12-06 17:12:46,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:12:46,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625293676] [2021-12-06 17:12:46,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:12:46,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:12:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:12:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:12:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:12:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:12:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:12:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:12:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:12:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:12:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:12:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:12:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:12:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:12:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:12:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:12:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:12:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:12:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:12:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:12:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:12:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:12:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:12:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:12:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:12:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:12:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:12:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:12:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:12:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:12:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:12:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:12:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:12:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-06 17:12:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-06 17:12:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-06 17:12:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 17:12:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-06 17:12:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-06 17:12:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 17:12:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 17:12:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-06 17:12:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:12:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:12:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 17:12:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-06 17:12:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:12:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:12:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2021-12-06 17:12:47,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:12:47,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625293676] [2021-12-06 17:12:47,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625293676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:12:47,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:12:47,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:12:47,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669994559] [2021-12-06 17:12:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:12:47,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:12:47,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:12:47,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:12:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:12:47,592 INFO L87 Difference]: Start difference. First operand 56705 states and 79153 transitions. Second operand has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 17:13:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:13:07,123 INFO L93 Difference]: Finished difference Result 131885 states and 185159 transitions. [2021-12-06 17:13:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 17:13:07,123 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 600 [2021-12-06 17:13:07,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:13:07,321 INFO L225 Difference]: With dead ends: 131885 [2021-12-06 17:13:07,321 INFO L226 Difference]: Without dead ends: 75246 [2021-12-06 17:13:07,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:13:07,414 INFO L933 BasicCegarLoop]: 3368 mSDtfsCounter, 3029 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 9073 mSolverCounterSat, 2704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 9916 SdHoareTripleChecker+Invalid, 11777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2704 IncrementalHoareTripleChecker+Valid, 9073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:13:07,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3313 Valid, 9916 Invalid, 11777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2704 Valid, 9073 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2021-12-06 17:13:07,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75246 states. [2021-12-06 17:13:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75246 to 70463. [2021-12-06 17:13:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70463 states, 53273 states have (on average 1.3375068045726728) internal successors, (71253), 53701 states have internal predecessors, (71253), 13213 states have call successors, (13213), 3909 states have call predecessors, (13213), 3976 states have return successors, (13293), 13252 states have call predecessors, (13293), 13207 states have call successors, (13293) [2021-12-06 17:13:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70463 states to 70463 states and 97759 transitions. [2021-12-06 17:13:09,787 INFO L78 Accepts]: Start accepts. Automaton has 70463 states and 97759 transitions. Word has length 600 [2021-12-06 17:13:09,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:13:09,788 INFO L470 AbstractCegarLoop]: Abstraction has 70463 states and 97759 transitions. [2021-12-06 17:13:09,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 17:13:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 70463 states and 97759 transitions. [2021-12-06 17:13:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-12-06 17:13:09,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:13:09,841 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:13:09,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 17:13:09,842 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:13:09,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:13:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1234810393, now seen corresponding path program 1 times [2021-12-06 17:13:09,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:13:09,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828378482] [2021-12-06 17:13:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:13:09,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:13:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:13:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:13:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:13:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:13:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:13:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:13:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:13:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:13:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:13:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:13:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:13:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:13:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:13:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:13:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:13:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:13:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:13:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:13:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:13:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:13:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:13:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:13:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:13:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:13:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:13:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:13:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:13:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:13:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:13:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:13:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:13:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 17:13:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 17:13:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-06 17:13:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-06 17:13:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-06 17:13:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-06 17:13:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 17:13:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-06 17:13:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-06 17:13:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-06 17:13:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-06 17:13:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2021-12-06 17:13:10,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:13:10,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828378482] [2021-12-06 17:13:10,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828378482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:13:10,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:13:10,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:13:10,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587986169] [2021-12-06 17:13:10,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:13:10,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:13:10,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:13:10,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:13:10,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:13:10,427 INFO L87 Difference]: Start difference. First operand 70463 states and 97759 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 17:13:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:13:27,654 INFO L93 Difference]: Finished difference Result 163661 states and 228209 transitions. [2021-12-06 17:13:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 17:13:27,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 606 [2021-12-06 17:13:27,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:13:27,914 INFO L225 Difference]: With dead ends: 163661 [2021-12-06 17:13:27,914 INFO L226 Difference]: Without dead ends: 93264 [2021-12-06 17:13:28,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:13:28,061 INFO L933 BasicCegarLoop]: 3497 mSDtfsCounter, 2871 mSDsluCounter, 5757 mSDsCounter, 0 mSdLazyCounter, 7472 mSolverCounterSat, 2275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 9254 SdHoareTripleChecker+Invalid, 9747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 7472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:13:28,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3150 Valid, 9254 Invalid, 9747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2275 Valid, 7472 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-12-06 17:13:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93264 states. [2021-12-06 17:13:30,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93264 to 87283. [2021-12-06 17:13:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87283 states, 66289 states have (on average 1.3320007844438746) internal successors, (88297), 66819 states have internal predecessors, (88297), 15989 states have call successors, (15989), 4921 states have call predecessors, (15989), 5004 states have return successors, (16079), 16034 states have call predecessors, (16079), 15983 states have call successors, (16079) [2021-12-06 17:13:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87283 states to 87283 states and 120365 transitions. [2021-12-06 17:13:31,065 INFO L78 Accepts]: Start accepts. Automaton has 87283 states and 120365 transitions. Word has length 606 [2021-12-06 17:13:31,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:13:31,066 INFO L470 AbstractCegarLoop]: Abstraction has 87283 states and 120365 transitions. [2021-12-06 17:13:31,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 17:13:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87283 states and 120365 transitions. [2021-12-06 17:13:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-06 17:13:31,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:13:31,128 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:13:31,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 17:13:31,128 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:13:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:13:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1613595961, now seen corresponding path program 1 times [2021-12-06 17:13:31,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:13:31,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268017873] [2021-12-06 17:13:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:13:31,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:13:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:13:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:13:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:13:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:13:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:13:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:13:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:13:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:13:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:13:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:13:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:13:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:13:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:13:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:13:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:13:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:13:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:13:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:13:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:13:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:13:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:13:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:13:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:13:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:13:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:13:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:13:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:13:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:13:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:13:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:13:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:13:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:13:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 17:13:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-06 17:13:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-06 17:13:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 17:13:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 17:13:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 17:13:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 17:13:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-06 17:13:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-06 17:13:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-06 17:13:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 17:13:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2021-12-06 17:13:31,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:13:31,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268017873] [2021-12-06 17:13:31,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268017873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:13:31,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:13:31,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:13:31,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771983560] [2021-12-06 17:13:31,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:13:31,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:13:31,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:13:31,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:13:31,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:13:31,751 INFO L87 Difference]: Start difference. First operand 87283 states and 120365 transitions. Second operand has 10 states, 10 states have (on average 18.6) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:13:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:13:40,496 INFO L93 Difference]: Finished difference Result 180548 states and 250793 transitions. [2021-12-06 17:13:40,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:13:40,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.6) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 621 [2021-12-06 17:13:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:13:40,757 INFO L225 Difference]: With dead ends: 180548 [2021-12-06 17:13:40,758 INFO L226 Difference]: Without dead ends: 93331 [2021-12-06 17:13:40,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:13:40,931 INFO L933 BasicCegarLoop]: 1995 mSDtfsCounter, 1789 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 2194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 5553 SdHoareTripleChecker+Invalid, 5514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2194 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:13:40,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1917 Valid, 5553 Invalid, 5514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2194 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-06 17:13:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93331 states. [2021-12-06 17:13:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93331 to 87379. [2021-12-06 17:13:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87379 states, 66385 states have (on average 1.3315206748512465) internal successors, (88393), 66915 states have internal predecessors, (88393), 15989 states have call successors, (15989), 4921 states have call predecessors, (15989), 5004 states have return successors, (16079), 16034 states have call predecessors, (16079), 15983 states have call successors, (16079) [2021-12-06 17:13:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87379 states to 87379 states and 120461 transitions. [2021-12-06 17:13:43,878 INFO L78 Accepts]: Start accepts. Automaton has 87379 states and 120461 transitions. Word has length 621 [2021-12-06 17:13:43,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:13:43,879 INFO L470 AbstractCegarLoop]: Abstraction has 87379 states and 120461 transitions. [2021-12-06 17:13:43,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.6) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:13:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 87379 states and 120461 transitions. [2021-12-06 17:13:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-06 17:13:43,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:13:43,943 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:13:43,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 17:13:43,943 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:13:43,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:13:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1338836347, now seen corresponding path program 1 times [2021-12-06 17:13:43,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:13:43,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775688219] [2021-12-06 17:13:43,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:13:43,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:13:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:13:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:13:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:13:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:13:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:13:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:13:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:13:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:13:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:13:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:13:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:13:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:13:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:13:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:13:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:13:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:13:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:13:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:13:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:13:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:13:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:13:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:13:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:13:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:13:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:13:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:13:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:13:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:13:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:13:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:13:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:13:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:13:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 17:13:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-06 17:13:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-06 17:13:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 17:13:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 17:13:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 17:13:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 17:13:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-06 17:13:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-06 17:13:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:13:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:13:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-06 17:13:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 17:13:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:13:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:13:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2021-12-06 17:13:44,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:13:44,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775688219] [2021-12-06 17:13:44,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775688219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:13:44,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:13:44,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:13:44,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131875438] [2021-12-06 17:13:44,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:13:44,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:13:44,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:13:44,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:13:44,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:13:44,715 INFO L87 Difference]: Start difference. First operand 87379 states and 120461 transitions. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:13:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:13:59,697 INFO L93 Difference]: Finished difference Result 181479 states and 250836 transitions. [2021-12-06 17:13:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:13:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 621 [2021-12-06 17:13:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:13:59,936 INFO L225 Difference]: With dead ends: 181479 [2021-12-06 17:13:59,936 INFO L226 Difference]: Without dead ends: 94166 [2021-12-06 17:14:00,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:14:00,065 INFO L933 BasicCegarLoop]: 2007 mSDtfsCounter, 1498 mSDsluCounter, 8243 mSDsCounter, 0 mSdLazyCounter, 7068 mSolverCounterSat, 1417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 10250 SdHoareTripleChecker+Invalid, 8485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1417 IncrementalHoareTripleChecker+Valid, 7068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:14:00,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 10250 Invalid, 8485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1417 Valid, 7068 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-12-06 17:14:00,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94166 states. [2021-12-06 17:14:02,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94166 to 87525. [2021-12-06 17:14:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87525 states, 66495 states have (on average 1.3309722535528987) internal successors, (88503), 67042 states have internal predecessors, (88503), 15989 states have call successors, (15989), 4921 states have call predecessors, (15989), 5040 states have return successors, (16211), 16053 states have call predecessors, (16211), 15983 states have call successors, (16211) [2021-12-06 17:14:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87525 states to 87525 states and 120703 transitions. [2021-12-06 17:14:02,995 INFO L78 Accepts]: Start accepts. Automaton has 87525 states and 120703 transitions. Word has length 621 [2021-12-06 17:14:02,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:14:02,996 INFO L470 AbstractCegarLoop]: Abstraction has 87525 states and 120703 transitions. [2021-12-06 17:14:02,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:14:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 87525 states and 120703 transitions. [2021-12-06 17:14:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-06 17:14:03,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:14:03,060 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:14:03,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 17:14:03,060 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:14:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:14:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash 584391687, now seen corresponding path program 1 times [2021-12-06 17:14:03,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:14:03,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502029668] [2021-12-06 17:14:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:14:03,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:14:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:14:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:14:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:14:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:14:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:14:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:14:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:14:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:14:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:14:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:14:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:14:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:14:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:14:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:14:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:14:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:14:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:14:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:14:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:14:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:14:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:14:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:14:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:14:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:14:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:14:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:14:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:14:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:14:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:14:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:14:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:14:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:14:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:14:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 17:14:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-06 17:14:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-06 17:14:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 17:14:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 17:14:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 17:14:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 17:14:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-06 17:14:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-06 17:14:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-06 17:14:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 17:14:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:14:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2146 trivial. 0 not checked. [2021-12-06 17:14:03,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:14:03,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502029668] [2021-12-06 17:14:03,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502029668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:14:03,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:14:03,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:14:03,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089007675] [2021-12-06 17:14:03,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:14:03,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:14:03,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:14:03,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:14:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:14:03,859 INFO L87 Difference]: Start difference. First operand 87525 states and 120703 transitions. Second operand has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:14:28,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:14:28,244 INFO L93 Difference]: Finished difference Result 239823 states and 330451 transitions. [2021-12-06 17:14:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 17:14:28,245 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 621 [2021-12-06 17:14:28,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:14:28,732 INFO L225 Difference]: With dead ends: 239823 [2021-12-06 17:14:28,733 INFO L226 Difference]: Without dead ends: 152364 [2021-12-06 17:14:28,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:14:28,879 INFO L933 BasicCegarLoop]: 3831 mSDtfsCounter, 3052 mSDsluCounter, 11790 mSDsCounter, 0 mSdLazyCounter, 10978 mSolverCounterSat, 2161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 15621 SdHoareTripleChecker+Invalid, 13139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2161 IncrementalHoareTripleChecker+Valid, 10978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:14:28,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 15621 Invalid, 13139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2161 Valid, 10978 Invalid, 0 Unknown, 0 Unchecked, 20.0s Time] [2021-12-06 17:14:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152364 states. [2021-12-06 17:14:32,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152364 to 87565. [2021-12-06 17:14:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87565 states, 66525 states have (on average 1.3306726794438182) internal successors, (88523), 67072 states have internal predecessors, (88523), 15989 states have call successors, (15989), 4921 states have call predecessors, (15989), 5050 states have return successors, (16223), 16063 states have call predecessors, (16223), 15983 states have call successors, (16223) [2021-12-06 17:14:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87565 states to 87565 states and 120735 transitions. [2021-12-06 17:14:32,514 INFO L78 Accepts]: Start accepts. Automaton has 87565 states and 120735 transitions. Word has length 621 [2021-12-06 17:14:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:14:32,514 INFO L470 AbstractCegarLoop]: Abstraction has 87565 states and 120735 transitions. [2021-12-06 17:14:32,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:14:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 87565 states and 120735 transitions. [2021-12-06 17:14:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-12-06 17:14:32,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:14:32,571 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:14:32,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 17:14:32,571 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:14:32,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:14:32,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1367374403, now seen corresponding path program 1 times [2021-12-06 17:14:32,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:14:32,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183796767] [2021-12-06 17:14:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:14:32,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:14:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:14:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:14:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:14:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:14:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:14:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:14:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:14:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:14:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:14:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:14:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:14:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:14:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:14:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:14:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:14:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:14:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:14:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:14:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:14:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:14:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:14:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:14:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:14:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:14:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:14:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:14:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:14:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:14:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:14:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:14:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:14:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:14:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 17:14:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-06 17:14:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-06 17:14:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-12-06 17:14:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-06 17:14:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-12-06 17:14:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-06 17:14:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2021-12-06 17:14:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-06 17:14:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-06 17:14:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:14:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:14:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-12-06 17:14:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-06 17:14:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:14:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:14:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2208 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 2155 trivial. 0 not checked. [2021-12-06 17:14:33,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:14:33,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183796767] [2021-12-06 17:14:33,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183796767] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:14:33,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:14:33,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:14:33,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821376255] [2021-12-06 17:14:33,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:14:33,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:14:33,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:14:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:14:33,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:14:33,293 INFO L87 Difference]: Start difference. First operand 87565 states and 120735 transitions. Second operand has 12 states, 12 states have (on average 17.333333333333332) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:15:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:02,701 INFO L93 Difference]: Finished difference Result 234409 states and 322425 transitions. [2021-12-06 17:15:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 17:15:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.333333333333332) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 629 [2021-12-06 17:15:02,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:03,132 INFO L225 Difference]: With dead ends: 234409 [2021-12-06 17:15:03,133 INFO L226 Difference]: Without dead ends: 146910 [2021-12-06 17:15:03,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:15:03,283 INFO L933 BasicCegarLoop]: 3832 mSDtfsCounter, 3215 mSDsluCounter, 13096 mSDsCounter, 0 mSdLazyCounter, 12657 mSolverCounterSat, 2852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 16928 SdHoareTripleChecker+Invalid, 15509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2852 IncrementalHoareTripleChecker+Valid, 12657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:03,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3579 Valid, 16928 Invalid, 15509 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2852 Valid, 12657 Invalid, 0 Unknown, 0 Unchecked, 24.7s Time] [2021-12-06 17:15:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146910 states. [2021-12-06 17:15:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146910 to 82431. [2021-12-06 17:15:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82431 states, 62637 states have (on average 1.3228123952296567) internal successors, (82857), 63132 states have internal predecessors, (82857), 15031 states have call successors, (15031), 4631 states have call predecessors, (15031), 4762 states have return successors, (15255), 15129 states have call predecessors, (15255), 15025 states have call successors, (15255) [2021-12-06 17:15:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82431 states to 82431 states and 113143 transitions. [2021-12-06 17:15:07,171 INFO L78 Accepts]: Start accepts. Automaton has 82431 states and 113143 transitions. Word has length 629 [2021-12-06 17:15:07,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:07,171 INFO L470 AbstractCegarLoop]: Abstraction has 82431 states and 113143 transitions. [2021-12-06 17:15:07,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.333333333333332) internal successors, (208), 4 states have internal predecessors, (208), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 17:15:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 82431 states and 113143 transitions. [2021-12-06 17:15:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-12-06 17:15:07,239 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:07,240 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:07,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 17:15:07,240 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 52155439, now seen corresponding path program 1 times [2021-12-06 17:15:07,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:07,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339566253] [2021-12-06 17:15:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:07,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:15:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:15:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:15:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:15:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:15:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:15:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:15:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:15:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:15:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:15:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:15:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:15:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:15:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:15:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:15:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:15:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:15:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:15:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:15:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:15:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:15:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:15:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:15:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:15:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:15:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:15:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:15:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:15:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:15:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:15:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:15:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:15:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:15:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:15:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 17:15:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:15:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 17:15:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 17:15:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-06 17:15:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-06 17:15:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-06 17:15:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-06 17:15:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 17:15:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-06 17:15:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2021-12-06 17:15:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 17:15:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-12-06 17:15:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-06 17:15:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-12-06 17:15:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2228 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2021-12-06 17:15:07,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:07,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339566253] [2021-12-06 17:15:07,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339566253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:07,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:15:07,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:15:07,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822102669] [2021-12-06 17:15:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:07,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:15:07,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:07,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:15:07,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:15:07,902 INFO L87 Difference]: Start difference. First operand 82431 states and 113143 transitions. Second operand has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 5 states have internal predecessors, (226), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-06 17:15:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:37,680 INFO L93 Difference]: Finished difference Result 219407 states and 300937 transitions. [2021-12-06 17:15:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 17:15:37,681 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 5 states have internal predecessors, (226), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 668 [2021-12-06 17:15:37,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:38,062 INFO L225 Difference]: With dead ends: 219407 [2021-12-06 17:15:38,062 INFO L226 Difference]: Without dead ends: 137042 [2021-12-06 17:15:38,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:15:38,216 INFO L933 BasicCegarLoop]: 3862 mSDtfsCounter, 3064 mSDsluCounter, 14346 mSDsCounter, 0 mSdLazyCounter, 13012 mSolverCounterSat, 2154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 18208 SdHoareTripleChecker+Invalid, 15166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2154 IncrementalHoareTripleChecker+Valid, 13012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:38,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3432 Valid, 18208 Invalid, 15166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2154 Valid, 13012 Invalid, 0 Unknown, 0 Unchecked, 24.6s Time] [2021-12-06 17:15:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137042 states. [2021-12-06 17:15:43,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137042 to 128297. [2021-12-06 17:15:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128297 states, 97521 states have (on average 1.3122814573271397) internal successors, (127975), 98307 states have internal predecessors, (127975), 23372 states have call successors, (23372), 7180 states have call predecessors, (23372), 7403 states have return successors, (23716), 23525 states have call predecessors, (23716), 23366 states have call successors, (23716) [2021-12-06 17:15:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128297 states to 128297 states and 175063 transitions. [2021-12-06 17:15:43,458 INFO L78 Accepts]: Start accepts. Automaton has 128297 states and 175063 transitions. Word has length 668 [2021-12-06 17:15:43,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:43,458 INFO L470 AbstractCegarLoop]: Abstraction has 128297 states and 175063 transitions. [2021-12-06 17:15:43,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 5 states have internal predecessors, (226), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-06 17:15:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 128297 states and 175063 transitions. [2021-12-06 17:15:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2021-12-06 17:15:43,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:43,553 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:43,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 17:15:43,553 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:43,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:43,554 INFO L85 PathProgramCache]: Analyzing trace with hash -627883510, now seen corresponding path program 1 times [2021-12-06 17:15:43,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:43,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190913467] [2021-12-06 17:15:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:43,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:15:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:15:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:15:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:15:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:15:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:15:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:15:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:15:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:15:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:15:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:15:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:15:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:15:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:15:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:15:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:15:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:15:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:15:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:15:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:15:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:15:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:15:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:15:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:15:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:15:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:15:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:15:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:15:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:15:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:15:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:15:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:15:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:15:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:15:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 17:15:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:15:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 17:15:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 17:15:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 17:15:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-06 17:15:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-06 17:15:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 17:15:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 17:15:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-06 17:15:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 17:15:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 17:15:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-12-06 17:15:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2021-12-06 17:15:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:15:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-06 17:15:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-12-06 17:15:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:15:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2228 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2021-12-06 17:15:44,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:44,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190913467] [2021-12-06 17:15:44,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190913467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:44,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:15:44,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:15:44,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161491504] [2021-12-06 17:15:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:44,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:15:44,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:15:44,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:15:44,228 INFO L87 Difference]: Start difference. First operand 128297 states and 175063 transitions. Second operand has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 5 states have internal predecessors, (230), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-06 17:16:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,045 INFO L93 Difference]: Finished difference Result 324529 states and 443849 transitions. [2021-12-06 17:16:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 17:16:17,045 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 5 states have internal predecessors, (230), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) Word has length 674 [2021-12-06 17:16:17,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:17,606 INFO L225 Difference]: With dead ends: 324529 [2021-12-06 17:16:17,606 INFO L226 Difference]: Without dead ends: 196298 [2021-12-06 17:16:17,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:16:17,868 INFO L933 BasicCegarLoop]: 3847 mSDtfsCounter, 3220 mSDsluCounter, 14257 mSDsCounter, 0 mSdLazyCounter, 13001 mSolverCounterSat, 2600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 18104 SdHoareTripleChecker+Invalid, 15601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2600 IncrementalHoareTripleChecker+Valid, 13001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:17,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3586 Valid, 18104 Invalid, 15601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2600 Valid, 13001 Invalid, 0 Unknown, 0 Unchecked, 25.7s Time] [2021-12-06 17:16:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196298 states. [2021-12-06 17:16:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196298 to 128465. [2021-12-06 17:16:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128465 states, 97625 states have (on average 1.3121536491677337) internal successors, (128099), 98415 states have internal predecessors, (128099), 23432 states have call successors, (23432), 7180 states have call predecessors, (23432), 7407 states have return successors, (23784), 23585 states have call predecessors, (23784), 23426 states have call successors, (23784) [2021-12-06 17:16:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128465 states to 128465 states and 175315 transitions. [2021-12-06 17:16:24,169 INFO L78 Accepts]: Start accepts. Automaton has 128465 states and 175315 transitions. Word has length 674 [2021-12-06 17:16:24,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:24,170 INFO L470 AbstractCegarLoop]: Abstraction has 128465 states and 175315 transitions. [2021-12-06 17:16:24,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.692307692307693) internal successors, (230), 5 states have internal predecessors, (230), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-06 17:16:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 128465 states and 175315 transitions. [2021-12-06 17:16:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-12-06 17:16:24,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:24,253 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:24,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 17:16:24,254 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:24,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash -216600445, now seen corresponding path program 1 times [2021-12-06 17:16:24,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:24,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499686182] [2021-12-06 17:16:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:24,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:16:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:16:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:16:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:16:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:16:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:16:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:16:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:16:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:16:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:16:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:16:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:16:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:16:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:16:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:16:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:16:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:16:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:16:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:16:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:16:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:16:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:16:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:16:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:16:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:16:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:16:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:16:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:16:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:16:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:16:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:16:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:16:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 17:16:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:16:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:16:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 17:16:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:16:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 17:16:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 17:16:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 17:16:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 17:16:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2021-12-06 17:16:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-12-06 17:16:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-06 17:16:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-06 17:16:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-12-06 17:16:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2021-12-06 17:16:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-12-06 17:16:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:16:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-06 17:16:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2021-12-06 17:16:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:16:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 2189 trivial. 0 not checked. [2021-12-06 17:16:24,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:24,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499686182] [2021-12-06 17:16:24,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499686182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:24,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:24,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:16:24,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480509922] [2021-12-06 17:16:24,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:24,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:16:24,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:24,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:16:24,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:16:24,936 INFO L87 Difference]: Start difference. First operand 128465 states and 175315 transitions. Second operand has 13 states, 13 states have (on average 17.615384615384617) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-06 17:16:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:59,139 INFO L93 Difference]: Finished difference Result 334999 states and 457276 transitions. [2021-12-06 17:16:59,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 17:16:59,140 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.615384615384617) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 676 [2021-12-06 17:16:59,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:59,735 INFO L225 Difference]: With dead ends: 334999 [2021-12-06 17:16:59,735 INFO L226 Difference]: Without dead ends: 206600 [2021-12-06 17:16:59,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:16:59,956 INFO L933 BasicCegarLoop]: 3859 mSDtfsCounter, 3075 mSDsluCounter, 14314 mSDsCounter, 0 mSdLazyCounter, 12690 mSolverCounterSat, 2471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 18173 SdHoareTripleChecker+Invalid, 15161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2471 IncrementalHoareTripleChecker+Valid, 12690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:59,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 18173 Invalid, 15161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2471 Valid, 12690 Invalid, 0 Unknown, 0 Unchecked, 26.0s Time] [2021-12-06 17:17:00,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206600 states. [2021-12-06 17:17:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206600 to 193867. [2021-12-06 17:17:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193867 states, 147255 states have (on average 1.3041458694102068) internal successors, (192042), 148471 states have internal predecessors, (192042), 35378 states have call successors, (35378), 10872 states have call predecessors, (35378), 11233 states have return successors, (35892), 35605 states have call predecessors, (35892), 35372 states have call successors, (35892) [2021-12-06 17:17:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193867 states to 193867 states and 263312 transitions. [2021-12-06 17:17:08,863 INFO L78 Accepts]: Start accepts. Automaton has 193867 states and 263312 transitions. Word has length 676 [2021-12-06 17:17:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:17:08,864 INFO L470 AbstractCegarLoop]: Abstraction has 193867 states and 263312 transitions. [2021-12-06 17:17:08,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.615384615384617) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (63), 9 states have call predecessors, (63), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-06 17:17:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 193867 states and 263312 transitions. [2021-12-06 17:17:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-12-06 17:17:08,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:17:08,980 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:17:08,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 17:17:08,980 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:17:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash 88378014, now seen corresponding path program 1 times [2021-12-06 17:17:08,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:08,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732435313] [2021-12-06 17:17:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:08,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:17:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:17:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:17:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:17:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:17:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:17:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:17:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:17:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:17:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:17:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:17:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:17:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:17:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:17:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:17:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:17:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:17:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:17:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:17:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:17:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:17:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:17:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:17:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:17:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:17:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:17:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:17:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:17:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 17:17:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:17:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:17:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:17:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 17:17:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:17:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:17:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:17:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 17:17:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:17:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 17:17:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 17:17:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 17:17:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-06 17:17:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-06 17:17:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-06 17:17:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-06 17:17:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-06 17:17:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-06 17:17:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2021-12-06 17:17:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-12-06 17:17:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2021-12-06 17:17:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:17:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-12-06 17:17:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-06 17:17:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:17:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 2189 trivial. 0 not checked. [2021-12-06 17:17:09,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:17:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732435313] [2021-12-06 17:17:09,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732435313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:17:09,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:17:09,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:17:09,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613005567] [2021-12-06 17:17:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:17:09,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:17:09,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:17:09,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:17:09,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:17:09,657 INFO L87 Difference]: Start difference. First operand 193867 states and 263312 transitions. Second operand has 13 states, 13 states have (on average 17.923076923076923) internal successors, (233), 5 states have internal predecessors, (233), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-06 17:17:59,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:17:59,128 INFO L93 Difference]: Finished difference Result 496007 states and 675363 transitions. [2021-12-06 17:17:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 17:17:59,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.923076923076923) internal successors, (233), 5 states have internal predecessors, (233), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) Word has length 682 [2021-12-06 17:17:59,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:18:00,141 INFO L225 Difference]: With dead ends: 496007 [2021-12-06 17:18:00,141 INFO L226 Difference]: Without dead ends: 302206 [2021-12-06 17:18:00,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:18:00,472 INFO L933 BasicCegarLoop]: 3841 mSDtfsCounter, 2587 mSDsluCounter, 16789 mSDsCounter, 0 mSdLazyCounter, 16764 mSolverCounterSat, 1226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 20630 SdHoareTripleChecker+Invalid, 17990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1226 IncrementalHoareTripleChecker+Valid, 16764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:18:00,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2952 Valid, 20630 Invalid, 17990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1226 Valid, 16764 Invalid, 0 Unknown, 0 Unchecked, 37.4s Time] [2021-12-06 17:18:00,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302206 states. [2021-12-06 17:18:09,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302206 to 194043. [2021-12-06 17:18:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194043 states, 147367 states have (on average 1.3040775750337592) internal successors, (192178), 148575 states have internal predecessors, (192178), 35450 states have call successors, (35450), 10872 states have call predecessors, (35450), 11225 states have return successors, (35948), 35677 states have call predecessors, (35948), 35444 states have call successors, (35948) [2021-12-06 17:18:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194043 states to 194043 states and 263576 transitions. [2021-12-06 17:18:10,508 INFO L78 Accepts]: Start accepts. Automaton has 194043 states and 263576 transitions. Word has length 682 [2021-12-06 17:18:10,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:18:10,509 INFO L470 AbstractCegarLoop]: Abstraction has 194043 states and 263576 transitions. [2021-12-06 17:18:10,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.923076923076923) internal successors, (233), 5 states have internal predecessors, (233), 3 states have call successors, (64), 9 states have call predecessors, (64), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-06 17:18:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 194043 states and 263576 transitions. [2021-12-06 17:18:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2021-12-06 17:18:10,702 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:18:10,702 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:18:10,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 17:18:10,702 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:18:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:18:10,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1288910708, now seen corresponding path program 1 times [2021-12-06 17:18:10,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:18:10,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485235004] [2021-12-06 17:18:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:18:10,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:18:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:18:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:18:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:18:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:18:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:18:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:18:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:18:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:18:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:18:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:18:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:18:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:18:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:18:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:18:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:18:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:18:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:18:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:18:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:18:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:18:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:18:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:18:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:18:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:18:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:18:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:18:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:18:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:18:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:18:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:18:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 17:18:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:18:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-06 17:18:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:18:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:18:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:18:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 17:18:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:18:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:18:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:18:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:18:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 17:18:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 17:18:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:18:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:18:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-06 17:18:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 17:18:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:18:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 17:18:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 17:18:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 17:18:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:18:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:18:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:18:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2021-12-06 17:18:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2021-12-06 17:18:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2021-12-06 17:18:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2021-12-06 17:18:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-12-06 17:18:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 770 [2021-12-06 17:18:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2021-12-06 17:18:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2021-12-06 17:18:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2021-12-06 17:18:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:18:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:18:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2021-12-06 17:18:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 812 [2021-12-06 17:18:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:18:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:18:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2672 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2021-12-06 17:18:11,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:18:11,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485235004] [2021-12-06 17:18:11,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485235004] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:18:11,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:18:11,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 17:18:11,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606754981] [2021-12-06 17:18:11,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:18:11,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 17:18:11,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:18:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 17:18:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-12-06 17:18:11,842 INFO L87 Difference]: Start difference. First operand 194043 states and 263576 transitions. Second operand has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 7 states have internal predecessors, (260), 2 states have call successors, (77), 9 states have call predecessors, (77), 5 states have return successors, (74), 5 states have call predecessors, (74), 2 states have call successors, (74) [2021-12-06 17:18:44,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:18:44,069 INFO L93 Difference]: Finished difference Result 401062 states and 546305 transitions. [2021-12-06 17:18:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:18:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 7 states have internal predecessors, (260), 2 states have call successors, (77), 9 states have call predecessors, (77), 5 states have return successors, (74), 5 states have call predecessors, (74), 2 states have call successors, (74) Word has length 832 [2021-12-06 17:18:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:18:44,723 INFO L225 Difference]: With dead ends: 401062 [2021-12-06 17:18:44,723 INFO L226 Difference]: Without dead ends: 207085 [2021-12-06 17:18:45,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2021-12-06 17:18:45,107 INFO L933 BasicCegarLoop]: 1991 mSDtfsCounter, 1465 mSDsluCounter, 13389 mSDsCounter, 0 mSdLazyCounter, 10691 mSolverCounterSat, 1743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 15380 SdHoareTripleChecker+Invalid, 12434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1743 IncrementalHoareTripleChecker+Valid, 10691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:18:45,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 15380 Invalid, 12434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1743 Valid, 10691 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2021-12-06 17:18:45,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207085 states. [2021-12-06 17:18:54,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207085 to 195077. [2021-12-06 17:18:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195077 states, 148119 states have (on average 1.30253377351994) internal successors, (192930), 149327 states have internal predecessors, (192930), 35450 states have call successors, (35450), 10872 states have call predecessors, (35450), 11507 states have return successors, (36712), 35959 states have call predecessors, (36712), 35444 states have call successors, (36712) [2021-12-06 17:18:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195077 states to 195077 states and 265092 transitions. [2021-12-06 17:18:55,393 INFO L78 Accepts]: Start accepts. Automaton has 195077 states and 265092 transitions. Word has length 832 [2021-12-06 17:18:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:18:55,394 INFO L470 AbstractCegarLoop]: Abstraction has 195077 states and 265092 transitions. [2021-12-06 17:18:55,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.294117647058824) internal successors, (260), 7 states have internal predecessors, (260), 2 states have call successors, (77), 9 states have call predecessors, (77), 5 states have return successors, (74), 5 states have call predecessors, (74), 2 states have call successors, (74) [2021-12-06 17:18:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 195077 states and 265092 transitions. [2021-12-06 17:18:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 839 [2021-12-06 17:18:55,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:18:55,597 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:18:55,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 17:18:55,597 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:18:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:18:55,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1907414730, now seen corresponding path program 1 times [2021-12-06 17:18:55,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:18:55,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628114526] [2021-12-06 17:18:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:18:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:19:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:19:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:19:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:19:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:19:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:19:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:19:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:19:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:19:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:19:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:19:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:19:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:19:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:19:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:19:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:19:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:19:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:19:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:19:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:19:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:19:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:19:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:19:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:19:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:19:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:19:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:19:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:19:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:19:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:19:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 17:19:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:19:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 17:19:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:19:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:19:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 17:19:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:19:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:19:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:19:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:19:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 17:19:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 17:19:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:19:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:19:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-06 17:19:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 17:19:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:19:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 17:19:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 17:19:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 17:19:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:19:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:19:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:19:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2021-12-06 17:19:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2021-12-06 17:19:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-12-06 17:19:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2021-12-06 17:19:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2021-12-06 17:19:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-12-06 17:19:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 781 [2021-12-06 17:19:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2021-12-06 17:19:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2021-12-06 17:19:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2021-12-06 17:19:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2021-12-06 17:19:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2021-12-06 17:19:01,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:19:01,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628114526] [2021-12-06 17:19:01,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628114526] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:19:01,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419473764] [2021-12-06 17:19:01,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:01,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:19:01,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:19:01,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:19:01,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:19:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:03,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 8925 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 17:19:03,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2720 trivial. 0 not checked. [2021-12-06 17:19:03,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:19:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2728 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2724 trivial. 0 not checked. [2021-12-06 17:19:04,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419473764] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 17:19:04,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:19:04,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13, 7] total 21 [2021-12-06 17:19:04,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780064743] [2021-12-06 17:19:04,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:04,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:19:04,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:19:04,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:19:04,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:19:04,477 INFO L87 Difference]: Start difference. First operand 195077 states and 265092 transitions. Second operand has 6 states, 6 states have (on average 40.5) internal successors, (243), 5 states have internal predecessors, (243), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2021-12-06 17:19:11,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:11,308 INFO L93 Difference]: Finished difference Result 195169 states and 265185 transitions. [2021-12-06 17:19:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:19:11,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.5) internal successors, (243), 5 states have internal predecessors, (243), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) Word has length 838 [2021-12-06 17:19:11,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:11,851 INFO L225 Difference]: With dead ends: 195169 [2021-12-06 17:19:11,852 INFO L226 Difference]: Without dead ends: 195163 [2021-12-06 17:19:11,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1933 GetRequests, 1913 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-12-06 17:19:11,921 INFO L933 BasicCegarLoop]: 2241 mSDtfsCounter, 11 mSDsluCounter, 8938 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11179 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:11,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 11179 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:19:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195163 states. [2021-12-06 17:19:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195163 to 195073. [2021-12-06 17:19:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195073 states, 148117 states have (on average 1.3023353160001891) internal successors, (192898), 149324 states have internal predecessors, (192898), 35448 states have call successors, (35448), 10871 states have call predecessors, (35448), 11507 states have return successors, (36712), 35959 states have call predecessors, (36712), 35444 states have call successors, (36712) [2021-12-06 17:19:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195073 states to 195073 states and 265058 transitions. [2021-12-06 17:19:20,822 INFO L78 Accepts]: Start accepts. Automaton has 195073 states and 265058 transitions. Word has length 838 [2021-12-06 17:19:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:20,823 INFO L470 AbstractCegarLoop]: Abstraction has 195073 states and 265058 transitions. [2021-12-06 17:19:20,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.5) internal successors, (243), 5 states have internal predecessors, (243), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 1 states have call successors, (75) [2021-12-06 17:19:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 195073 states and 265058 transitions. [2021-12-06 17:19:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2021-12-06 17:19:21,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:21,034 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:21,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:19:21,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ae6f24-6e50-4c0f-ba0d-87bf75ce5513/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-06 17:19:21,237 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:21,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1274474556, now seen corresponding path program 1 times [2021-12-06 17:19:21,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:19:21,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861908742] [2021-12-06 17:19:21,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:21,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:19:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:19:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:19:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:19:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:19:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:19:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 17:19:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 17:19:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 17:19:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 17:19:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 17:19:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 17:19:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:19:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:19:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:19:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 17:19:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-06 17:19:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:19:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 17:19:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:19:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 17:19:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 17:19:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:19:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 17:19:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-06 17:19:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-06 17:19:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-06 17:19:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 17:19:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 17:19:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:19:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 17:19:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:19:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 17:19:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 17:19:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:19:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 17:19:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:19:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:19:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:19:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:19:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 17:19:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 17:19:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:19:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:19:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-06 17:19:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 17:19:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:19:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 17:19:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-06 17:19:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 17:19:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:19:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:19:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:19:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2021-12-06 17:19:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:19:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:19:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:19:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 17:19:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:19:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:19:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 17:19:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:19:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:19:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 17:19:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 17:19:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:19:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2724 trivial. 0 not checked. [2021-12-06 17:19:22,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:19:22,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861908742] [2021-12-06 17:19:22,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861908742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:22,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:22,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:19:22,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215760392] [2021-12-06 17:19:22,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:22,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:19:22,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:19:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:19:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:19:22,566 INFO L87 Difference]: Start difference. First operand 195073 states and 265058 transitions. Second operand has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (77), 9 states have call predecessors, (77), 3 states have return successors, (76), 3 states have call predecessors, (76), 1 states have call successors, (76) [2021-12-06 17:19:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:44,216 INFO L93 Difference]: Finished difference Result 209527 states and 284690 transitions. [2021-12-06 17:19:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:19:44,217 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (77), 9 states have call predecessors, (77), 3 states have return successors, (76), 3 states have call predecessors, (76), 1 states have call successors, (76) Word has length 852 [2021-12-06 17:19:44,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:44,223 INFO L225 Difference]: With dead ends: 209527 [2021-12-06 17:19:44,223 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:19:44,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-12-06 17:19:44,487 INFO L933 BasicCegarLoop]: 1978 mSDtfsCounter, 1161 mSDsluCounter, 8010 mSDsCounter, 0 mSdLazyCounter, 7249 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 9988 SdHoareTripleChecker+Invalid, 7877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 7249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:44,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1289 Valid, 9988 Invalid, 7877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 7249 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2021-12-06 17:19:44,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:19:44,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:19:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:19:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:19:44,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 852 [2021-12-06 17:19:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:44,500 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:19:44,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (77), 9 states have call predecessors, (77), 3 states have return successors, (76), 3 states have call predecessors, (76), 1 states have call successors, (76) [2021-12-06 17:19:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:19:44,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:19:44,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:19:44,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 17:19:44,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.