./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/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_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:03:58,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:03:58,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:03:58,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:03:58,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:03:58,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:03:58,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:03:58,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:03:58,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:03:58,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:03:58,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:03:58,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:03:58,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:03:58,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:03:58,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:03:58,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:03:58,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:03:58,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:03:58,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:03:58,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:03:58,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:03:58,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:03:58,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:03:58,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:03:58,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:03:58,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:03:58,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:03:58,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:03:58,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:03:58,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:03:58,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:03:58,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:03:58,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:03:58,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:03:58,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:03:58,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:03:58,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:03:58,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:03:58,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:03:58,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:03:58,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:03:58,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 09:03:58,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:03:58,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:03:58,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:03:58,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:03:58,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:03:58,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:03:58,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:03:58,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:03:58,327 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:03:58,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:03:58,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:03:58,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:03:58,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:03:58,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:03:58,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:03:58,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:03:58,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:03:58,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:03:58,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:03:58,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:03:58,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:03:58,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:03:58,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:03:58,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:03:58,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:03:58,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:03:58,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:03:58,334 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:03:58,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:03:58,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:03:58,335 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_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 [2022-11-21 09:03:58,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:03:58,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:03:58,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:03:58,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:03:58,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:03:58,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 09:04:01,909 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:04:02,548 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:04:02,548 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/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 [2022-11-21 09:04:02,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/data/4b19843ef/e18fd7904f3041c5963c2d120c07fce3/FLAG2036183ba [2022-11-21 09:04:02,603 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/data/4b19843ef/e18fd7904f3041c5963c2d120c07fce3 [2022-11-21 09:04:02,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:04:02,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:04:02,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:02,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:04:02,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:04:02,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:02" (1/1) ... [2022-11-21 09:04:02,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6ea9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:02, skipping insertion in model container [2022-11-21 09:04:02,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:02" (1/1) ... [2022-11-21 09:04:02,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:04:02,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:04:04,464 WARN L237 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_5901bfde-14ab-465c-a6a8-be9444a2edb6/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] [2022-11-21 09:04:04,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:04,684 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:04:05,130 WARN L237 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_5901bfde-14ab-465c-a6a8-be9444a2edb6/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] [2022-11-21 09:04:05,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:05,213 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:04:05,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05 WrapperNode [2022-11-21 09:04:05,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:05,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:05,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:04:05,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:04:05,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,463 INFO L138 Inliner]: procedures = 223, calls = 2666, calls flagged for inlining = 70, calls inlined = 65, statements flattened = 5295 [2022-11-21 09:04:05,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:05,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:04:05,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:04:05,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:04:05,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,732 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:04:05,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:04:05,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:04:05,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:04:05,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:04:05,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:04:05,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5901bfde-14ab-465c-a6a8-be9444a2edb6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:04:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-21 09:04:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-21 09:04:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-21 09:04:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-21 09:04:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-21 09:04:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-21 09:04:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 09:04:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 09:04:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 09:04:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 09:04:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 09:04:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 09:04:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-21 09:04:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-21 09:04:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2022-11-21 09:04:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2022-11-21 09:04:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 09:04:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 09:04:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2022-11-21 09:04:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2022-11-21 09:04:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-21 09:04:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-21 09:04:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-21 09:04:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-21 09:04:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2022-11-21 09:04:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2022-11-21 09:04:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-21 09:04:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-21 09:04:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 09:04:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 09:04:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 09:04:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 09:04:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-21 09:04:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-21 09:04:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 09:04:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 09:04:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-21 09:04:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-21 09:04:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 09:04:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 09:04:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-21 09:04:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-21 09:04:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-21 09:04:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-21 09:04:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-21 09:04:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-21 09:04:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_remove [2022-11-21 09:04:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_remove [2022-11-21 09:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-21 09:04:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-21 09:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 09:04:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 09:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_probe [2022-11-21 09:04:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_probe [2022-11-21 09:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-21 09:04:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-21 09:04:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-21 09:04:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-21 09:04:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-21 09:04:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-21 09:04:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 09:04:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tx_empty [2022-11-21 09:04:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tx_empty [2022-11-21 09:04:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 09:04:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 09:04:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-21 09:04:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-21 09:04:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:04:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-21 09:04:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-21 09:04:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 09:04:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-21 09:04:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-21 09:04:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-21 09:04:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-21 09:04:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-21 09:04:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-21 09:04:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 09:04:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 09:04:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 09:04:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 09:04:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-21 09:04:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-21 09:04:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 09:04:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 09:04:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-11-21 09:04:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-11-21 09:04:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 09:04:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 09:04:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-21 09:04:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-21 09:04:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-21 09:04:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-21 09:04:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 09:04:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 09:04:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:04:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-21 09:04:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-21 09:04:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 09:04:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 09:04:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 09:04:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 09:04:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-21 09:04:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-21 09:04:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-21 09:04:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-21 09:04:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 09:04:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 09:04:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:04:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-21 09:04:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-21 09:04:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-21 09:04:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-21 09:04:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 09:04:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 09:04:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-21 09:04:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-21 09:04:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 09:04:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 09:04:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:04:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 09:04:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 09:04:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-21 09:04:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-21 09:04:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:04:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 09:04:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 09:04:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 09:04:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-21 09:04:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-21 09:04:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 09:04:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 09:04:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2022-11-21 09:04:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2022-11-21 09:04:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-21 09:04:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-21 09:04:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 09:04:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 09:04:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-21 09:04:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-21 09:04:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 09:04:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 09:04:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-21 09:04:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-21 09:04:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:04:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-21 09:04:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-21 09:04:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-21 09:04:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-21 09:04:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:04:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:04:06,771 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:04:06,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:04:07,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 09:04:20,316 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:04:20,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:04:20,341 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:04:20,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:20 BoogieIcfgContainer [2022-11-21 09:04:20,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:04:20,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:04:20,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:04:20,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:04:20,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:04:02" (1/3) ... [2022-11-21 09:04:20,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f8b84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:20, skipping insertion in model container [2022-11-21 09:04:20,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05" (2/3) ... [2022-11-21 09:04:20,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f8b84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:20, skipping insertion in model container [2022-11-21 09:04:20,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:20" (3/3) ... [2022-11-21 09:04:20,362 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-21 09:04:20,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:04:20,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:04:20,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:04:20,485 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@435db6c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:04:20,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:04:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 1527 states, 1082 states have (on average 1.4103512014787432) internal successors, (1526), 1101 states have internal predecessors, (1526), 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) [2022-11-21 09:04:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-21 09:04:20,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:20,541 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:04:20,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:20,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash -895879901, now seen corresponding path program 1 times [2022-11-21 09:04:20,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:20,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726433983] [2022-11-21 09:04:20,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:20,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:04:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:04:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:04:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:04:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:04:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:04:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:04:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:04:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:04:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:04:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:04:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:04:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:04:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:04:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:04:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:04:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:04:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:04:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:04:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:04:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:04:22,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:22,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726433983] [2022-11-21 09:04:22,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726433983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:22,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:22,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:04:22,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770598607] [2022-11-21 09:04:22,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:22,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:04:22,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:04:22,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:04:22,450 INFO L87 Difference]: Start difference. First operand has 1527 states, 1082 states have (on average 1.4103512014787432) internal successors, (1526), 1101 states have internal predecessors, (1526), 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) [2022-11-21 09:04:28,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:29,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:04:29,773 INFO L93 Difference]: Finished difference Result 3121 states and 4826 transitions. [2022-11-21 09:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:04:29,775 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 [2022-11-21 09:04:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:04:29,810 INFO L225 Difference]: With dead ends: 3121 [2022-11-21 09:04:29,810 INFO L226 Difference]: Without dead ends: 1588 [2022-11-21 09:04:29,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:04:29,829 INFO L413 NwaCegarLoop]: 1988 mSDtfsCounter, 895 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 1259 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3185 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1259 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:04:29,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3185 Invalid, 2101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1259 Valid, 841 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-21 09:04:29,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-11-21 09:04:30,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1516. [2022-11-21 09:04:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1077 states have (on average 1.4011142061281336) internal successors, (1509), 1090 states have internal predecessors, (1509), 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) [2022-11-21 09:04:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2247 transitions. [2022-11-21 09:04:30,114 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2247 transitions. Word has length 265 [2022-11-21 09:04:30,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:04:30,116 INFO L495 AbstractCegarLoop]: Abstraction has 1516 states and 2247 transitions. [2022-11-21 09:04:30,117 INFO L496 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) [2022-11-21 09:04:30,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2247 transitions. [2022-11-21 09:04:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-21 09:04:30,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:30,123 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:04:30,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:04:30,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1618465943, now seen corresponding path program 1 times [2022-11-21 09:04:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:30,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760289409] [2022-11-21 09:04:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:04:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:04:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:04:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:04:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:04:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:04:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:04:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:04:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:04:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:04:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:04:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:04:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:04:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:04:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:04:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:04:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:04:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:04:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:04:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:04:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:04:31,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:31,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760289409] [2022-11-21 09:04:31,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760289409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:31,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:31,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:04:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277126916] [2022-11-21 09:04:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:31,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:04:31,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:31,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:04:31,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:04:31,624 INFO L87 Difference]: Start difference. First operand 1516 states and 2247 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) [2022-11-21 09:04:39,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:41,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:42,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:49,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:50,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:04:50,384 INFO L93 Difference]: Finished difference Result 4550 states and 6914 transitions. [2022-11-21 09:04:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:04:50,385 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 [2022-11-21 09:04:50,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:04:50,406 INFO L225 Difference]: With dead ends: 4550 [2022-11-21 09:04:50,407 INFO L226 Difference]: Without dead ends: 3082 [2022-11-21 09:04:50,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:04:50,416 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2976 mSDsluCounter, 4114 mSDsCounter, 0 mSdLazyCounter, 2391 mSolverCounterSat, 1711 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 6360 SdHoareTripleChecker+Invalid, 4103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 2391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-21 09:04:50,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 6360 Invalid, 4103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1711 Valid, 2391 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2022-11-21 09:04:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2022-11-21 09:04:50,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2937. [2022-11-21 09:04:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2100 states have (on average 1.4076190476190475) internal successors, (2956), 2121 states have internal predecessors, (2956), 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) [2022-11-21 09:04:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 4364 transitions. [2022-11-21 09:04:50,565 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 4364 transitions. Word has length 265 [2022-11-21 09:04:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:04:50,567 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 4364 transitions. [2022-11-21 09:04:50,567 INFO L496 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) [2022-11-21 09:04:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 4364 transitions. [2022-11-21 09:04:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-21 09:04:50,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:50,573 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:04:50,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:04:50,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:50,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:50,574 INFO L85 PathProgramCache]: Analyzing trace with hash -601673702, now seen corresponding path program 1 times [2022-11-21 09:04:50,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:50,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187890696] [2022-11-21 09:04:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:04:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:04:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:04:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:04:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:04:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:04:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:04:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:04:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:04:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:04:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:04:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:04:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:04:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:04:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:04:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:04:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:04:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:04:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:04:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:04:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:04:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:04:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:04:51,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:51,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187890696] [2022-11-21 09:04:51,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187890696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:51,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:51,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:04:51,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406850665] [2022-11-21 09:04:51,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:51,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:04:51,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:51,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:04:51,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:04:51,764 INFO L87 Difference]: Start difference. First operand 2937 states and 4364 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) [2022-11-21 09:04:57,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:04:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:04:59,381 INFO L93 Difference]: Finished difference Result 3086 states and 4734 transitions. [2022-11-21 09:04:59,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:04:59,383 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 [2022-11-21 09:04:59,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:04:59,408 INFO L225 Difference]: With dead ends: 3086 [2022-11-21 09:04:59,408 INFO L226 Difference]: Without dead ends: 3083 [2022-11-21 09:04:59,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:04:59,414 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 2865 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1400 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3110 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1400 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:04:59,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3110 Valid, 3158 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1400 Valid, 850 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-21 09:04:59,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3083 states. [2022-11-21 09:04:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3083 to 2942. [2022-11-21 09:04:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2104 states have (on average 1.4063688212927756) internal successors, (2959), 2124 states have internal predecessors, (2959), 706 states have call successors, (706), 132 states have call predecessors, (706), 131 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2022-11-21 09:04:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 4366 transitions. [2022-11-21 09:04:59,603 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 4366 transitions. Word has length 267 [2022-11-21 09:04:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:04:59,604 INFO L495 AbstractCegarLoop]: Abstraction has 2942 states and 4366 transitions. [2022-11-21 09:04:59,605 INFO L496 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) [2022-11-21 09:04:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 4366 transitions. [2022-11-21 09:04:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-21 09:04:59,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:04:59,610 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:04:59,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:04:59,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:04:59,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:59,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1472567455, now seen corresponding path program 1 times [2022-11-21 09:04:59,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:59,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552479689] [2022-11-21 09:04:59,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:59,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:05:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:05:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:05:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:05:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:05:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:05:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:05:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:05:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:05:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:05:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:05:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:05:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:05:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:05:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:05:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:05:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:05:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:05:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:05:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:05:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:05:00,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:05:00,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552479689] [2022-11-21 09:05:00,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552479689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:05:00,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:05:00,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:05:00,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20143164] [2022-11-21 09:05:00,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:05:00,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:05:00,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:05:00,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:05:00,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:05:00,911 INFO L87 Difference]: Start difference. First operand 2942 states and 4366 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) [2022-11-21 09:05:09,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:05:11,704 INFO L93 Difference]: Finished difference Result 3085 states and 4732 transitions. [2022-11-21 09:05:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:05:11,706 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 [2022-11-21 09:05:11,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:05:11,725 INFO L225 Difference]: With dead ends: 3085 [2022-11-21 09:05:11,726 INFO L226 Difference]: Without dead ends: 3082 [2022-11-21 09:05:11,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:05:11,729 INFO L413 NwaCegarLoop]: 1967 mSDtfsCounter, 2509 mSDsluCounter, 3256 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 956 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-21 09:05:11,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 5223 Invalid, 2761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1804 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-21 09:05:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2022-11-21 09:05:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 2941. [2022-11-21 09:05:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2104 states have (on average 1.405893536121673) internal successors, (2958), 2123 states have internal predecessors, (2958), 705 states have call successors, (705), 132 states have call predecessors, (705), 131 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2022-11-21 09:05:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 4364 transitions. [2022-11-21 09:05:11,886 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 4364 transitions. Word has length 268 [2022-11-21 09:05:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:05:11,890 INFO L495 AbstractCegarLoop]: Abstraction has 2941 states and 4364 transitions. [2022-11-21 09:05:11,891 INFO L496 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) [2022-11-21 09:05:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 4364 transitions. [2022-11-21 09:05:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-21 09:05:11,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:05:11,897 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:05:11,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:05:11,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:05:11,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:05:11,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1594502141, now seen corresponding path program 1 times [2022-11-21 09:05:11,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:05:11,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121768579] [2022-11-21 09:05:11,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:05:11,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:05:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:05:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:05:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:05:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:05:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:05:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:05:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:05:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:05:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:05:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:05:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:05:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:05:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:05:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:05:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:05:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:05:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:05:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:05:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:05:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:05:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:05:13,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:05:13,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121768579] [2022-11-21 09:05:13,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121768579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:05:13,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:05:13,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:05:13,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362019037] [2022-11-21 09:05:13,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:05:13,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:05:13,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:05:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:05:13,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:05:13,004 INFO L87 Difference]: Start difference. First operand 2941 states and 4364 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) [2022-11-21 09:05:19,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:21,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:23,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:05:23,608 INFO L93 Difference]: Finished difference Result 3084 states and 4730 transitions. [2022-11-21 09:05:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:05:23,609 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 [2022-11-21 09:05:23,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:05:23,628 INFO L225 Difference]: With dead ends: 3084 [2022-11-21 09:05:23,629 INFO L226 Difference]: Without dead ends: 3081 [2022-11-21 09:05:23,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:05:23,633 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 2520 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 971 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 4194 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:05:23,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 4194 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 1306 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-11-21 09:05:23,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2022-11-21 09:05:23,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2940. [2022-11-21 09:05:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2104 states have (on average 1.4054182509505704) internal successors, (2957), 2122 states have internal predecessors, (2957), 704 states have call successors, (704), 132 states have call predecessors, (704), 131 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2022-11-21 09:05:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4362 transitions. [2022-11-21 09:05:23,802 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4362 transitions. Word has length 269 [2022-11-21 09:05:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:05:23,803 INFO L495 AbstractCegarLoop]: Abstraction has 2940 states and 4362 transitions. [2022-11-21 09:05:23,803 INFO L496 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) [2022-11-21 09:05:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4362 transitions. [2022-11-21 09:05:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-21 09:05:23,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:05:23,808 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:05:23,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:05:23,808 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:05:23,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:05:23,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2110583324, now seen corresponding path program 1 times [2022-11-21 09:05:23,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:05:23,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774749139] [2022-11-21 09:05:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:05:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:05:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:05:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:05:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:05:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:05:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:05:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:05:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:05:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:05:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:05:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:05:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:05:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:05:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:05:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:05:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:05:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:05:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:05:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:05:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:05:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:05:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:05:24,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:05:24,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774749139] [2022-11-21 09:05:24,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774749139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:05:24,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:05:24,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:05:24,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447901767] [2022-11-21 09:05:24,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:05:24,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:05:24,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:05:24,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:05:24,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:05:24,737 INFO L87 Difference]: Start difference. First operand 2940 states and 4362 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) [2022-11-21 09:05:34,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:05:37,144 INFO L93 Difference]: Finished difference Result 8939 states and 13635 transitions. [2022-11-21 09:05:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:05:37,145 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 [2022-11-21 09:05:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:05:37,184 INFO L225 Difference]: With dead ends: 8939 [2022-11-21 09:05:37,184 INFO L226 Difference]: Without dead ends: 6040 [2022-11-21 09:05:37,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:05:37,203 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 3003 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 2358 mSolverCounterSat, 1687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 6514 SdHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 2358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:05:37,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3281 Valid, 6514 Invalid, 4046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1687 Valid, 2358 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-11-21 09:05:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6040 states. [2022-11-21 09:05:37,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6040 to 5770. [2022-11-21 09:05:37,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5770 states, 4138 states have (on average 1.4093765103914935) internal successors, (5832), 4182 states have internal predecessors, (5832), 1372 states have call successors, (1372), 255 states have call predecessors, (1372), 259 states have return successors, (1431), 1364 states have call predecessors, (1431), 1367 states have call successors, (1431) [2022-11-21 09:05:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5770 states and 8635 transitions. [2022-11-21 09:05:37,578 INFO L78 Accepts]: Start accepts. Automaton has 5770 states and 8635 transitions. Word has length 270 [2022-11-21 09:05:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:05:37,578 INFO L495 AbstractCegarLoop]: Abstraction has 5770 states and 8635 transitions. [2022-11-21 09:05:37,579 INFO L496 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) [2022-11-21 09:05:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5770 states and 8635 transitions. [2022-11-21 09:05:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-21 09:05:37,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:05:37,592 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:05:37,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:05:37,592 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:05:37,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:05:37,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1587641196, now seen corresponding path program 1 times [2022-11-21 09:05:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:05:37,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034059454] [2022-11-21 09:05:37,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:05:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:05:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:05:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:05:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:05:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:05:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:05:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:05:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:05:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:05:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:05:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:05:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:05:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:05:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:05:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:05:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:05:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:05:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:05:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:05:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:05:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:05:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:05:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:05:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-21 09:05:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-21 09:05:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 09:05:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:05:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-21 09:05:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:05:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:05:38,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:05:38,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034059454] [2022-11-21 09:05:38,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034059454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:05:38,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:05:38,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:05:38,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774807338] [2022-11-21 09:05:38,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:05:38,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:05:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:05:38,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:05:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:05:38,540 INFO L87 Difference]: Start difference. First operand 5770 states and 8635 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) [2022-11-21 09:05:48,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:05:50,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:06:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:06:01,678 INFO L93 Difference]: Finished difference Result 16735 states and 25210 transitions. [2022-11-21 09:06:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:06:01,678 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 [2022-11-21 09:06:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:06:01,746 INFO L225 Difference]: With dead ends: 16735 [2022-11-21 09:06:01,746 INFO L226 Difference]: Without dead ends: 11013 [2022-11-21 09:06:01,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:06:01,782 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 4469 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 6860 mSolverCounterSat, 2780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4776 SdHoareTripleChecker+Valid, 4725 SdHoareTripleChecker+Invalid, 9640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2780 IncrementalHoareTripleChecker+Valid, 6860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:06:01,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4776 Valid, 4725 Invalid, 9640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2780 Valid, 6860 Invalid, 0 Unknown, 0 Unchecked, 22.3s Time] [2022-11-21 09:06:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11013 states. [2022-11-21 09:06:02,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11013 to 10464. [2022-11-21 09:06:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10464 states, 7524 states have (on average 1.3971291866028708) internal successors, (10512), 7616 states have internal predecessors, (10512), 2422 states have call successors, (2422), 503 states have call predecessors, (2422), 517 states have return successors, (2523), 2408 states have call predecessors, (2523), 2417 states have call successors, (2523) [2022-11-21 09:06:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 10464 states and 15457 transitions. [2022-11-21 09:06:02,547 INFO L78 Accepts]: Start accepts. Automaton has 10464 states and 15457 transitions. Word has length 304 [2022-11-21 09:06:02,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:06:02,548 INFO L495 AbstractCegarLoop]: Abstraction has 10464 states and 15457 transitions. [2022-11-21 09:06:02,548 INFO L496 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) [2022-11-21 09:06:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 10464 states and 15457 transitions. [2022-11-21 09:06:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-21 09:06:02,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:06:02,559 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:06:02,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:06:02,559 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:06:02,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2009798904, now seen corresponding path program 1 times [2022-11-21 09:06:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:02,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40286073] [2022-11-21 09:06:02,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:06:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:06:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:06:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:06:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:06:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:06:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:06:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:06:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:06:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:06:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:06:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:06:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:06:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:06:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:06:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:06:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:06:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:06:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:06:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-21 09:06:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 09:06:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 09:06:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 09:06:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-21 09:06:03,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:03,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40286073] [2022-11-21 09:06:03,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40286073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:03,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:03,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:06:03,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114304657] [2022-11-21 09:06:03,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:03,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:06:03,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:03,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:06:03,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:06:03,531 INFO L87 Difference]: Start difference. First operand 10464 states and 15457 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) [2022-11-21 09:06:17,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:06:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:06:22,028 INFO L93 Difference]: Finished difference Result 26414 states and 39390 transitions. [2022-11-21 09:06:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:06:22,029 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 [2022-11-21 09:06:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:06:22,099 INFO L225 Difference]: With dead ends: 26414 [2022-11-21 09:06:22,099 INFO L226 Difference]: Without dead ends: 15998 [2022-11-21 09:06:22,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:06:22,136 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 3391 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 6182 mSolverCounterSat, 2437 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3692 SdHoareTripleChecker+Valid, 4690 SdHoareTripleChecker+Invalid, 8620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2437 IncrementalHoareTripleChecker+Valid, 6182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:06:22,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3692 Valid, 4690 Invalid, 8620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2437 Valid, 6182 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2022-11-21 09:06:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15998 states. [2022-11-21 09:06:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15998 to 15186. [2022-11-21 09:06:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15186 states, 10956 states have (on average 1.3933004746257758) internal successors, (15265), 11092 states have internal predecessors, (15265), 3460 states have call successors, (3460), 749 states have call predecessors, (3460), 769 states have return successors, (3599), 3440 states have call predecessors, (3599), 3455 states have call successors, (3599) [2022-11-21 09:06:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15186 states to 15186 states and 22324 transitions. [2022-11-21 09:06:23,061 INFO L78 Accepts]: Start accepts. Automaton has 15186 states and 22324 transitions. Word has length 306 [2022-11-21 09:06:23,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:06:23,062 INFO L495 AbstractCegarLoop]: Abstraction has 15186 states and 22324 transitions. [2022-11-21 09:06:23,063 INFO L496 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) [2022-11-21 09:06:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 15186 states and 22324 transitions. [2022-11-21 09:06:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-11-21 09:06:23,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:06:23,093 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:23,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:06:23,093 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:06:23,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1373249562, now seen corresponding path program 1 times [2022-11-21 09:06:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:23,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366209209] [2022-11-21 09:06:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:06:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:06:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:06:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:06:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:06:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:06:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:06:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:06:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:06:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:06:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:06:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:06:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:06:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:06:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:06:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:06:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:06:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:06:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:06:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:06:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:06:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:06:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:06:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:06:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:06:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:06:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:06:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-21 09:06:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-11-21 09:06:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-21 09:06:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-21 09:06:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2096 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-11-21 09:06:24,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:24,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366209209] [2022-11-21 09:06:24,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366209209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:24,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:24,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:06:24,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665344326] [2022-11-21 09:06:24,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:24,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:06:24,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:24,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:06:24,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:06:24,311 INFO L87 Difference]: Start difference. First operand 15186 states and 22324 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) [2022-11-21 09:06:37,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:06:39,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:06:42,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:06:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:06:47,962 INFO L93 Difference]: Finished difference Result 39322 states and 58366 transitions. [2022-11-21 09:06:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:06:47,963 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 [2022-11-21 09:06:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:06:48,067 INFO L225 Difference]: With dead ends: 39322 [2022-11-21 09:06:48,068 INFO L226 Difference]: Without dead ends: 24202 [2022-11-21 09:06:48,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:06:48,118 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 4514 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 6748 mSolverCounterSat, 2782 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4817 SdHoareTripleChecker+Valid, 4170 SdHoareTripleChecker+Invalid, 9532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2782 IncrementalHoareTripleChecker+Valid, 6748 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-21 09:06:48,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4817 Valid, 4170 Invalid, 9532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2782 Valid, 6748 Invalid, 2 Unknown, 0 Unchecked, 22.2s Time] [2022-11-21 09:06:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24202 states. [2022-11-21 09:06:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24202 to 22906. [2022-11-21 09:06:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22906 states, 16764 states have (on average 1.3761035552374135) internal successors, (23069), 16964 states have internal predecessors, (23069), 4940 states have call successors, (4940), 1171 states have call predecessors, (4940), 1201 states have return successors, (5117), 4914 states have call predecessors, (5117), 4935 states have call successors, (5117) [2022-11-21 09:06:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22906 states to 22906 states and 33126 transitions. [2022-11-21 09:06:49,341 INFO L78 Accepts]: Start accepts. Automaton has 22906 states and 33126 transitions. Word has length 447 [2022-11-21 09:06:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:06:49,342 INFO L495 AbstractCegarLoop]: Abstraction has 22906 states and 33126 transitions. [2022-11-21 09:06:49,343 INFO L496 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) [2022-11-21 09:06:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22906 states and 33126 transitions. [2022-11-21 09:06:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-21 09:06:49,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:06:49,357 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:06:49,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:06:49,358 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:06:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:06:49,358 INFO L85 PathProgramCache]: Analyzing trace with hash 342420534, now seen corresponding path program 1 times [2022-11-21 09:06:49,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:06:49,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531434091] [2022-11-21 09:06:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:06:49,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:06:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:06:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:06:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:06:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:06:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:06:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:06:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:06:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:06:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:06:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:06:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:06:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:06:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:06:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:06:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:06:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:06:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:06:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:06:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:06:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:06:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:06:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:06:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:06:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:06:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:06:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:06:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:06:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:06:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:06:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-21 09:06:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-21 09:06:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-21 09:06:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:06:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-21 09:06:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:06:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-11-21 09:06:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:06:50,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531434091] [2022-11-21 09:06:50,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531434091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:06:50,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:06:50,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:06:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895548358] [2022-11-21 09:06:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:06:50,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:06:50,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:06:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:06:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:06:50,578 INFO L87 Difference]: Start difference. First operand 22906 states and 33126 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) [2022-11-21 09:07:06,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:07:12,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:07:12,100 INFO L93 Difference]: Finished difference Result 58518 states and 85282 transitions. [2022-11-21 09:07:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:07:12,100 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 [2022-11-21 09:07:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:07:12,282 INFO L225 Difference]: With dead ends: 58518 [2022-11-21 09:07:12,282 INFO L226 Difference]: Without dead ends: 35678 [2022-11-21 09:07:12,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:07:12,362 INFO L413 NwaCegarLoop]: 1423 mSDtfsCounter, 4379 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 6592 mSolverCounterSat, 2658 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4686 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 9251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2658 IncrementalHoareTripleChecker+Valid, 6592 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-21 09:07:12,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4686 Valid, 4456 Invalid, 9251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2658 Valid, 6592 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2022-11-21 09:07:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35678 states. [2022-11-21 09:07:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35678 to 33664. [2022-11-21 09:07:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33664 states, 24990 states have (on average 1.3600240096038416) internal successors, (33987), 25276 states have internal predecessors, (33987), 6868 states have call successors, (6868), 1769 states have call predecessors, (6868), 1805 states have return successors, (7083), 6826 states have call predecessors, (7083), 6863 states have call successors, (7083) [2022-11-21 09:07:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33664 states to 33664 states and 47938 transitions. [2022-11-21 09:07:14,561 INFO L78 Accepts]: Start accepts. Automaton has 33664 states and 47938 transitions. Word has length 445 [2022-11-21 09:07:14,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:07:14,562 INFO L495 AbstractCegarLoop]: Abstraction has 33664 states and 47938 transitions. [2022-11-21 09:07:14,563 INFO L496 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) [2022-11-21 09:07:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 33664 states and 47938 transitions. [2022-11-21 09:07:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-11-21 09:07:14,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:07:14,596 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:07:14,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:07:14,597 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:07:14,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:14,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1283873428, now seen corresponding path program 1 times [2022-11-21 09:07:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:14,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338618249] [2022-11-21 09:07:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:14,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:07:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:07:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:07:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:07:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:07:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:07:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:07:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:07:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:07:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:07:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:07:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:07:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:07:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:07:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:07:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:07:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:07:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:07:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:07:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:07:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:07:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:07:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:07:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:07:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:07:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:07:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:07:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:07:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-21 09:07:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-21 09:07:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-21 09:07:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:07:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-21 09:07:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2095 trivial. 0 not checked. [2022-11-21 09:07:16,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:16,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338618249] [2022-11-21 09:07:16,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338618249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:16,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:16,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:07:16,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67618254] [2022-11-21 09:07:16,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:16,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:07:16,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:16,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:07:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:07:16,211 INFO L87 Difference]: Start difference. First operand 33664 states and 47938 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) [2022-11-21 09:07:31,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:07:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:07:36,913 INFO L93 Difference]: Finished difference Result 80744 states and 115904 transitions. [2022-11-21 09:07:36,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:07:36,914 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 [2022-11-21 09:07:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:07:37,112 INFO L225 Difference]: With dead ends: 80744 [2022-11-21 09:07:37,112 INFO L226 Difference]: Without dead ends: 47146 [2022-11-21 09:07:37,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:07:37,215 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 3629 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 6128 mSolverCounterSat, 2648 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 8777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2648 IncrementalHoareTripleChecker+Valid, 6128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:07:37,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3938 Valid, 4729 Invalid, 8777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2648 Valid, 6128 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2022-11-21 09:07:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47146 states. [2022-11-21 09:07:40,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47146 to 44422. [2022-11-21 09:07:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44422 states, 33216 states have (on average 1.351908718689788) internal successors, (44905), 33588 states have internal predecessors, (44905), 8796 states have call successors, (8796), 2367 states have call predecessors, (8796), 2409 states have return successors, (9049), 8738 states have call predecessors, (9049), 8791 states have call successors, (9049) [2022-11-21 09:07:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44422 states to 44422 states and 62750 transitions. [2022-11-21 09:07:40,199 INFO L78 Accepts]: Start accepts. Automaton has 44422 states and 62750 transitions. Word has length 474 [2022-11-21 09:07:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:07:40,200 INFO L495 AbstractCegarLoop]: Abstraction has 44422 states and 62750 transitions. [2022-11-21 09:07:40,200 INFO L496 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) [2022-11-21 09:07:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 44422 states and 62750 transitions. [2022-11-21 09:07:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-11-21 09:07:40,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:07:40,228 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:07:40,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:07:40,229 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:07:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:07:40,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2007554632, now seen corresponding path program 1 times [2022-11-21 09:07:40,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:07:40,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106771512] [2022-11-21 09:07:40,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:07:40,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:07:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:07:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:07:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:07:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:07:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:07:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:07:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:07:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:07:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:07:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:07:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:07:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:07:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:07:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:07:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:07:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:07:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:07:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:07:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:07:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:07:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:07:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:07:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:07:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:07:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:07:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:07:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:07:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:07:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:07:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:07:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-21 09:07:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-21 09:07:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-21 09:07:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:07:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-21 09:07:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:07:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2022-11-21 09:07:41,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:07:41,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106771512] [2022-11-21 09:07:41,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106771512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:07:41,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:07:41,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:07:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503821678] [2022-11-21 09:07:41,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:07:41,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:07:41,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:07:41,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:07:41,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:07:41,806 INFO L87 Difference]: Start difference. First operand 44422 states and 62750 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) [2022-11-21 09:07:59,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:08:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:06,494 INFO L93 Difference]: Finished difference Result 106200 states and 151040 transitions. [2022-11-21 09:08:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 09:08:06,495 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 [2022-11-21 09:08:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:06,890 INFO L225 Difference]: With dead ends: 106200 [2022-11-21 09:08:06,890 INFO L226 Difference]: Without dead ends: 61844 [2022-11-21 09:08:06,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 09:08:06,999 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 3232 mSDsluCounter, 4055 mSDsCounter, 0 mSdLazyCounter, 7671 mSolverCounterSat, 2051 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3536 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 9723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2051 IncrementalHoareTripleChecker+Valid, 7671 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:06,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3536 Valid, 5956 Invalid, 9723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2051 Valid, 7671 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2022-11-21 09:08:07,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61844 states. [2022-11-21 09:08:09,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61844 to 58190. [2022-11-21 09:08:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58190 states, 43852 states have (on average 1.3439067773419684) internal successors, (58933), 44328 states have internal predecessors, (58933), 11152 states have call successors, (11152), 3137 states have call predecessors, (11152), 3185 states have return successors, (11443), 11076 states have call predecessors, (11443), 11147 states have call successors, (11443) [2022-11-21 09:08:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58190 states to 58190 states and 81528 transitions. [2022-11-21 09:08:09,896 INFO L78 Accepts]: Start accepts. Automaton has 58190 states and 81528 transitions. Word has length 478 [2022-11-21 09:08:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:09,897 INFO L495 AbstractCegarLoop]: Abstraction has 58190 states and 81528 transitions. [2022-11-21 09:08:09,897 INFO L496 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) [2022-11-21 09:08:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 58190 states and 81528 transitions. [2022-11-21 09:08:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-21 09:08:09,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:09,941 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:08:09,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:08:09,941 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:09,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1692787001, now seen corresponding path program 1 times [2022-11-21 09:08:09,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:09,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576470521] [2022-11-21 09:08:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:08:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:08:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:08:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:08:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:08:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:08:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:08:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:08:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:08:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:08:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:08:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:08:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:08:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:08:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:08:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:08:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:08:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:08:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:08:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:08:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:08:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:08:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:08:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:08:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:08:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:08:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:08:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 09:08:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:08:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-21 09:08:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-21 09:08:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-11-21 09:08:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-21 09:08:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2022-11-21 09:08:11,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:11,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576470521] [2022-11-21 09:08:11,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576470521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:11,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:11,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 09:08:11,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885847852] [2022-11-21 09:08:11,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:11,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 09:08:11,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:11,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 09:08:11,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:08:11,735 INFO L87 Difference]: Start difference. First operand 58190 states and 81528 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) [2022-11-21 09:08:25,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:08:27,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:08:28,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:08:39,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:39,451 INFO L93 Difference]: Finished difference Result 120028 states and 168662 transitions. [2022-11-21 09:08:39,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 09:08:39,452 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 [2022-11-21 09:08:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:39,798 INFO L225 Difference]: With dead ends: 120028 [2022-11-21 09:08:39,799 INFO L226 Difference]: Without dead ends: 61904 [2022-11-21 09:08:39,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:08:39,921 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 3842 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 8113 mSolverCounterSat, 2858 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 6853 SdHoareTripleChecker+Invalid, 10972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2858 IncrementalHoareTripleChecker+Valid, 8113 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:39,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4227 Valid, 6853 Invalid, 10972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2858 Valid, 8113 Invalid, 1 Unknown, 0 Unchecked, 24.6s Time] [2022-11-21 09:08:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61904 states. [2022-11-21 09:08:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61904 to 58052. [2022-11-21 09:08:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58052 states, 43773 states have (on average 1.3437735590432458) internal successors, (58821), 44231 states have internal predecessors, (58821), 11108 states have call successors, (11108), 3119 states have call predecessors, (11108), 3170 states have return successors, (11285), 11053 states have call predecessors, (11285), 11101 states have call successors, (11285) [2022-11-21 09:08:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58052 states to 58052 states and 81214 transitions. [2022-11-21 09:08:42,436 INFO L78 Accepts]: Start accepts. Automaton has 58052 states and 81214 transitions. Word has length 522 [2022-11-21 09:08:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:42,437 INFO L495 AbstractCegarLoop]: Abstraction has 58052 states and 81214 transitions. [2022-11-21 09:08:42,437 INFO L496 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) [2022-11-21 09:08:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 58052 states and 81214 transitions. [2022-11-21 09:08:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-21 09:08:42,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:42,461 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:08:42,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 09:08:42,461 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:42,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1481436088, now seen corresponding path program 1 times [2022-11-21 09:08:42,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:42,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138597676] [2022-11-21 09:08:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:08:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:08:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:08:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:08:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:08:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:08:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:08:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:08:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:08:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:08:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:08:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:08:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:08:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:08:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:08:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:08:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:08:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:08:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:08:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:08:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:08:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:08:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:08:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:08:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:08:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:08:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:08:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:08:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 09:08:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:08:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:08:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-21 09:08:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-21 09:08:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-11-21 09:08:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-21 09:08:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2117 trivial. 0 not checked. [2022-11-21 09:08:44,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:44,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138597676] [2022-11-21 09:08:44,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138597676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:44,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:44,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 09:08:44,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267931447] [2022-11-21 09:08:44,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:44,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 09:08:44,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:44,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 09:08:44,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-21 09:08:44,341 INFO L87 Difference]: Start difference. First operand 58052 states and 81214 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) [2022-11-21 09:09:04,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:09:17,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:09:17,670 INFO L93 Difference]: Finished difference Result 151884 states and 212366 transitions. [2022-11-21 09:09:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 09:09:17,672 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 [2022-11-21 09:09:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:09:18,065 INFO L225 Difference]: With dead ends: 151884 [2022-11-21 09:09:18,065 INFO L226 Difference]: Without dead ends: 93898 [2022-11-21 09:09:18,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-11-21 09:09:18,221 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 3740 mSDsluCounter, 8748 mSDsCounter, 0 mSdLazyCounter, 13260 mSolverCounterSat, 2823 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 10941 SdHoareTripleChecker+Invalid, 16084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2823 IncrementalHoareTripleChecker+Valid, 13260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-21 09:09:18,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4077 Valid, 10941 Invalid, 16084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2823 Valid, 13260 Invalid, 1 Unknown, 0 Unchecked, 28.2s Time] [2022-11-21 09:09:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93898 states. [2022-11-21 09:09:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93898 to 58116. [2022-11-21 09:09:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58116 states, 43821 states have (on average 1.3433970014376668) internal successors, (58869), 44279 states have internal predecessors, (58869), 11108 states have call successors, (11108), 3119 states have call predecessors, (11108), 3186 states have return successors, (11305), 11069 states have call predecessors, (11305), 11101 states have call successors, (11305) [2022-11-21 09:09:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58116 states to 58116 states and 81282 transitions. [2022-11-21 09:09:21,472 INFO L78 Accepts]: Start accepts. Automaton has 58116 states and 81282 transitions. Word has length 522 [2022-11-21 09:09:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:09:21,473 INFO L495 AbstractCegarLoop]: Abstraction has 58116 states and 81282 transitions. [2022-11-21 09:09:21,473 INFO L496 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) [2022-11-21 09:09:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 58116 states and 81282 transitions. [2022-11-21 09:09:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-11-21 09:09:21,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:09:21,508 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:09:21,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:09:21,509 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:09:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash -440892716, now seen corresponding path program 1 times [2022-11-21 09:09:21,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:21,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460550807] [2022-11-21 09:09:21,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:21,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:09:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:09:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:09:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:09:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:09:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:09:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:09:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:09:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:09:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:09:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:09:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:09:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:09:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:09:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:09:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:09:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:09:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:09:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:09:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:09:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:09:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:09:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:09:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:09:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:09:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:09:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:09:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:09:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:09:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-21 09:09:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:09:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:09:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-21 09:09:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-21 09:09:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-11-21 09:09:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:09:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-11-21 09:09:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2022-11-21 09:09:23,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:23,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460550807] [2022-11-21 09:09:23,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460550807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:23,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:23,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 09:09:23,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958325363] [2022-11-21 09:09:23,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:23,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 09:09:23,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:23,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 09:09:23,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-21 09:09:23,318 INFO L87 Difference]: Start difference. First operand 58116 states and 81282 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) [2022-11-21 09:09:43,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:09:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:09:56,407 INFO L93 Difference]: Finished difference Result 152072 states and 212574 transitions. [2022-11-21 09:09:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 09:09:56,408 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 [2022-11-21 09:09:56,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:09:56,690 INFO L225 Difference]: With dead ends: 152072 [2022-11-21 09:09:56,690 INFO L226 Difference]: Without dead ends: 94022 [2022-11-21 09:09:56,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-11-21 09:09:56,797 INFO L413 NwaCegarLoop]: 2197 mSDtfsCounter, 3550 mSDsluCounter, 8756 mSDsCounter, 0 mSdLazyCounter, 12831 mSolverCounterSat, 2425 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 10953 SdHoareTripleChecker+Invalid, 15257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2425 IncrementalHoareTripleChecker+Valid, 12831 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:09:56,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 10953 Invalid, 15257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2425 Valid, 12831 Invalid, 1 Unknown, 0 Unchecked, 27.8s Time] [2022-11-21 09:09:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94022 states. [2022-11-21 09:10:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94022 to 58172. [2022-11-21 09:10:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58172 states, 43865 states have (on average 1.3430525475891941) internal successors, (58913), 44319 states have internal predecessors, (58913), 11108 states have call successors, (11108), 3119 states have call predecessors, (11108), 3198 states have return successors, (11317), 11085 states have call predecessors, (11317), 11101 states have call successors, (11317) [2022-11-21 09:10:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58172 states to 58172 states and 81338 transitions. [2022-11-21 09:10:00,288 INFO L78 Accepts]: Start accepts. Automaton has 58172 states and 81338 transitions. Word has length 528 [2022-11-21 09:10:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:10:00,289 INFO L495 AbstractCegarLoop]: Abstraction has 58172 states and 81338 transitions. [2022-11-21 09:10:00,289 INFO L496 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) [2022-11-21 09:10:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 58172 states and 81338 transitions. [2022-11-21 09:10:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-11-21 09:10:00,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:10:00,324 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:10:00,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 09:10:00,325 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:10:00,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:10:00,325 INFO L85 PathProgramCache]: Analyzing trace with hash -245366059, now seen corresponding path program 1 times [2022-11-21 09:10:00,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:10:00,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841354971] [2022-11-21 09:10:00,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:10:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:10:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:10:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:10:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:10:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:10:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:10:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:10:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:10:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:10:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:10:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:10:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:10:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:10:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:10:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:10:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:10:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:10:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:10:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:10:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:10:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:10:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:10:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:10:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:10:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:10:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:10:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:10:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:10:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:10:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 09:10:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:10:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 09:10:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 09:10:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-11-21 09:10:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-11-21 09:10:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-21 09:10:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:10:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-11-21 09:10:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2139 trivial. 0 not checked. [2022-11-21 09:10:02,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:10:02,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841354971] [2022-11-21 09:10:02,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841354971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:10:02,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:10:02,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 09:10:02,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272417119] [2022-11-21 09:10:02,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:10:02,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 09:10:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:10:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 09:10:02,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-21 09:10:02,510 INFO L87 Difference]: Start difference. First operand 58172 states and 81338 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) [2022-11-21 09:10:18,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:10:23,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:10:25,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:10:32,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:10:32,577 INFO L93 Difference]: Finished difference Result 64393 states and 90198 transitions. [2022-11-21 09:10:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 09:10:32,578 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 [2022-11-21 09:10:32,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:10:32,802 INFO L225 Difference]: With dead ends: 64393 [2022-11-21 09:10:32,802 INFO L226 Difference]: Without dead ends: 60941 [2022-11-21 09:10:32,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2022-11-21 09:10:32,836 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 1883 mSDsluCounter, 6545 mSDsCounter, 0 mSdLazyCounter, 9541 mSolverCounterSat, 1647 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 7695 SdHoareTripleChecker+Invalid, 11189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1647 IncrementalHoareTripleChecker+Valid, 9541 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-21 09:10:32,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 7695 Invalid, 11189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1647 Valid, 9541 Invalid, 1 Unknown, 0 Unchecked, 26.7s Time] [2022-11-21 09:10:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60941 states. [2022-11-21 09:10:35,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60941 to 57245. [2022-11-21 09:10:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57245 states, 43233 states have (on average 1.3409432609349339) internal successors, (57973), 43645 states have internal predecessors, (57973), 10827 states have call successors, (10827), 3105 states have call predecessors, (10827), 3184 states have return successors, (11037), 10818 states have call predecessors, (11037), 10821 states have call successors, (11037) [2022-11-21 09:10:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57245 states to 57245 states and 79837 transitions. [2022-11-21 09:10:36,027 INFO L78 Accepts]: Start accepts. Automaton has 57245 states and 79837 transitions. Word has length 539 [2022-11-21 09:10:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:10:36,028 INFO L495 AbstractCegarLoop]: Abstraction has 57245 states and 79837 transitions. [2022-11-21 09:10:36,028 INFO L496 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) [2022-11-21 09:10:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 57245 states and 79837 transitions. [2022-11-21 09:10:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-11-21 09:10:36,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:10:36,068 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:10:36,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 09:10:36,069 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:10:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:10:36,069 INFO L85 PathProgramCache]: Analyzing trace with hash -335532380, now seen corresponding path program 1 times [2022-11-21 09:10:36,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:10:36,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766271845] [2022-11-21 09:10:36,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:10:36,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:10:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:10:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:10:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:10:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:10:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:10:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:10:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:10:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:10:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:10:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:10:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:10:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:10:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:10:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:10:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:10:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:10:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:10:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:10:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:10:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:10:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:10:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:10:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:10:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:10:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:10:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:10:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:10:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:10:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:10:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 09:10:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:10:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 09:10:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 09:10:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:37,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-11-21 09:10:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:10:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 09:10:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 09:10:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:10:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:10:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2144 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2022-11-21 09:10:38,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:10:38,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766271845] [2022-11-21 09:10:38,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766271845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:10:38,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:10:38,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 09:10:38,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227888366] [2022-11-21 09:10:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:10:38,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 09:10:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:10:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 09:10:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-21 09:10:38,125 INFO L87 Difference]: Start difference. First operand 57245 states and 79837 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) [2022-11-21 09:10:55,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:11:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:11:03,769 INFO L93 Difference]: Finished difference Result 88575 states and 124056 transitions. [2022-11-21 09:11:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 09:11:03,770 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 [2022-11-21 09:11:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:11:03,972 INFO L225 Difference]: With dead ends: 88575 [2022-11-21 09:11:03,972 INFO L226 Difference]: Without dead ends: 60885 [2022-11-21 09:11:04,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2022-11-21 09:11:04,029 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 1400 mSDsluCounter, 7059 mSDsCounter, 0 mSdLazyCounter, 10398 mSolverCounterSat, 930 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 8216 SdHoareTripleChecker+Invalid, 11329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 930 IncrementalHoareTripleChecker+Valid, 10398 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:11:04,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 8216 Invalid, 11329 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [930 Valid, 10398 Invalid, 1 Unknown, 0 Unchecked, 22.1s Time] [2022-11-21 09:11:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60885 states. [2022-11-21 09:11:06,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60885 to 57217. [2022-11-21 09:11:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57217 states, 43219 states have (on average 1.3407297716282192) internal successors, (57945), 43617 states have internal predecessors, (57945), 10827 states have call successors, (10827), 3105 states have call predecessors, (10827), 3170 states have return successors, (11021), 10818 states have call predecessors, (11021), 10821 states have call successors, (11021) [2022-11-21 09:11:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57217 states to 57217 states and 79793 transitions. [2022-11-21 09:11:07,187 INFO L78 Accepts]: Start accepts. Automaton has 57217 states and 79793 transitions. Word has length 543 [2022-11-21 09:11:07,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:11:07,188 INFO L495 AbstractCegarLoop]: Abstraction has 57217 states and 79793 transitions. [2022-11-21 09:11:07,188 INFO L496 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) [2022-11-21 09:11:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57217 states and 79793 transitions. [2022-11-21 09:11:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2022-11-21 09:11:07,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:11:07,251 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:11:07,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 09:11:07,252 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:11:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:07,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1750643821, now seen corresponding path program 1 times [2022-11-21 09:11:07,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:07,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23443335] [2022-11-21 09:11:07,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:07,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:11:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:11:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:11:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:11:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:11:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:11:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:11:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:11:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:11:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:11:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:11:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:11:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:11:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:11:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:11:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:11:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:11:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:11:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:11:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:11:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:11:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:11:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:11:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:11:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:11:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:11:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:11:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:11:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 09:11:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:11:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 09:11:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 09:11:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-11-21 09:11:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-21 09:11:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-11-21 09:11:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-11-21 09:11:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-11-21 09:11:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-11-21 09:11:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-11-21 09:11:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-11-21 09:11:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-11-21 09:11:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-11-21 09:11:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-11-21 09:11:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:11:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2022-11-21 09:11:08,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:11:08,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23443335] [2022-11-21 09:11:08,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23443335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:11:08,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:11:08,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 09:11:08,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856761696] [2022-11-21 09:11:08,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:11:08,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 09:11:08,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:11:08,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 09:11:08,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:11:08,874 INFO L87 Difference]: Start difference. First operand 57217 states and 79793 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) [2022-11-21 09:11:23,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:11:37,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:11:37,445 INFO L93 Difference]: Finished difference Result 132869 states and 186347 transitions. [2022-11-21 09:11:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 09:11:37,445 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 [2022-11-21 09:11:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:11:37,661 INFO L225 Difference]: With dead ends: 132869 [2022-11-21 09:11:37,662 INFO L226 Difference]: Without dead ends: 75718 [2022-11-21 09:11:37,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:11:37,753 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 3565 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 9385 mSolverCounterSat, 2936 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3845 SdHoareTripleChecker+Valid, 6572 SdHoareTripleChecker+Invalid, 12322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2936 IncrementalHoareTripleChecker+Valid, 9385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:11:37,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3845 Valid, 6572 Invalid, 12322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2936 Valid, 9385 Invalid, 1 Unknown, 0 Unchecked, 23.8s Time] [2022-11-21 09:11:37,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75718 states. [2022-11-21 09:11:41,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75718 to 71071. [2022-11-21 09:11:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71071 states, 53913 states have (on average 1.3352067219409047) internal successors, (71985), 54413 states have internal predecessors, (71985), 13153 states have call successors, (13153), 3925 states have call predecessors, (13153), 4004 states have return successors, (13373), 13132 states have call predecessors, (13373), 13147 states have call successors, (13373) [2022-11-21 09:11:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71071 states to 71071 states and 98511 transitions. [2022-11-21 09:11:41,640 INFO L78 Accepts]: Start accepts. Automaton has 71071 states and 98511 transitions. Word has length 600 [2022-11-21 09:11:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:11:41,640 INFO L495 AbstractCegarLoop]: Abstraction has 71071 states and 98511 transitions. [2022-11-21 09:11:41,640 INFO L496 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) [2022-11-21 09:11:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 71071 states and 98511 transitions. [2022-11-21 09:11:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2022-11-21 09:11:41,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:11:41,693 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2022-11-21 09:11:41,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 09:11:41,694 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:11:41,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:41,694 INFO L85 PathProgramCache]: Analyzing trace with hash 260288513, now seen corresponding path program 1 times [2022-11-21 09:11:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:41,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876068242] [2022-11-21 09:11:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:11:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 09:11:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 09:11:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 09:11:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 09:11:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 09:11:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 09:11:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 09:11:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 09:11:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 09:11:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 09:11:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 09:11:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 09:11:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 09:11:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 09:11:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 09:11:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 09:11:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 09:11:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 09:11:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 09:11:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-21 09:11:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-21 09:11:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-21 09:11:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 09:11:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-21 09:11:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-21 09:11:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-21 09:11:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 09:11:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-21 09:11:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 09:11:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 09:11:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 09:11:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-11-21 09:11:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-11-21 09:11:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-11-21 09:11:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-11-21 09:11:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-21 09:11:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-11-21 09:11:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-11-21 09:11:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-11-21 09:11:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-11-21 09:11:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:11:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:11:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-11-21 09:11:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-11-21 09:11:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:11:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2022-11-21 09:11:43,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:11:43,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876068242] [2022-11-21 09:11:43,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876068242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:11:43,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:11:43,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 09:11:43,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003046958] [2022-11-21 09:11:43,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:11:43,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 09:11:43,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:11:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 09:11:43,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:11:43,371 INFO L87 Difference]: Start difference. First operand 71071 states and 98511 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) [2022-11-21 09:11:58,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:12:13,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:12:13,119 INFO L93 Difference]: Finished difference Result 164821 states and 229609 transitions. [2022-11-21 09:12:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 09:12:13,120 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 [2022-11-21 09:12:13,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:12:13,397 INFO L225 Difference]: With dead ends: 164821 [2022-11-21 09:12:13,397 INFO L226 Difference]: Without dead ends: 93816 [2022-11-21 09:12:13,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-11-21 09:12:13,681 INFO L413 NwaCegarLoop]: 1822 mSDtfsCounter, 2961 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 9740 mSolverCounterSat, 1620 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 6960 SdHoareTripleChecker+Invalid, 11361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1620 IncrementalHoareTripleChecker+Valid, 9740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-21 09:12:13,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 6960 Invalid, 11361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1620 Valid, 9740 Invalid, 1 Unknown, 0 Unchecked, 24.4s Time] [2022-11-21 09:12:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93816 states.