./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--block--rsxx--rsxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro --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 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad --- 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-8393723 [2022-11-18 20:30:35,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:30:35,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:30:35,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:30:35,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:30:35,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:30:35,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:30:35,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:30:35,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:30:35,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:30:35,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:30:36,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:30:36,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:30:36,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:30:36,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:30:36,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:30:36,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:30:36,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:30:36,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:30:36,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:30:36,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:30:36,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:30:36,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:30:36,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:30:36,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:30:36,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:30:36,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:30:36,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:30:36,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:30:36,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:30:36,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:30:36,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:30:36,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:30:36,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:30:36,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:30:36,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:30:36,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:30:36,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:30:36,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:30:36,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:30:36,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:30:36,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:30:36,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:30:36,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:30:36,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:30:36,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:30:36,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:30:36,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:30:36,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:30:36,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:30:36,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:30:36,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:30:36,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:30:36,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:30:36,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:30:36,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:30:36,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:30:36,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:30:36,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:30:36,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:30:36,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:30:36,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:30:36,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:30:36,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:36,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:30:36,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:30:36,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:30:36,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:30:36,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:30:36,121 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:30:36,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:30:36,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:30:36,122 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_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2022-11-18 20:30:36,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:30:36,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:30:36,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:30:36,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:30:36,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:30:36,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2022-11-18 20:30:36,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/data/facdd50f5/af5ad5a5a8a347b7964d9128b51902e6/FLAG451bd5814 [2022-11-18 20:30:37,443 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:30:37,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2022-11-18 20:30:37,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/data/facdd50f5/af5ad5a5a8a347b7964d9128b51902e6/FLAG451bd5814 [2022-11-18 20:30:37,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/data/facdd50f5/af5ad5a5a8a347b7964d9128b51902e6 [2022-11-18 20:30:37,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:30:37,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:30:37,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:37,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:30:37,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:30:37,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:37" (1/1) ... [2022-11-18 20:30:37,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6b4532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:37, skipping insertion in model container [2022-11-18 20:30:37,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:37" (1/1) ... [2022-11-18 20:30:37,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:30:38,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:30:41,451 WARN L234 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_bf2bbb30-0922-4c24-9553-02a9689f11b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i[348806,348819] [2022-11-18 20:30:41,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:41,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:30:42,407 WARN L234 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_bf2bbb30-0922-4c24-9553-02a9689f11b8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i[348806,348819] [2022-11-18 20:30:42,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:42,614 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:30:42,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42 WrapperNode [2022-11-18 20:30:42,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:42,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:42,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:30:42,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:30:42,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:42,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,066 INFO L138 Inliner]: procedures = 566, calls = 3599, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6302 [2022-11-18 20:30:43,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:43,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:30:43,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:30:43,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:30:43,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,325 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:30:43,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:30:43,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:30:43,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:30:43,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (1/1) ... [2022-11-18 20:30:43,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:43,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:43,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2bbb30-0922-4c24-9553-02a9689f11b8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:30:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:30:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-18 20:30:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-18 20:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:30:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-18 20:30:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-18 20:30:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:30:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:30:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2022-11-18 20:30:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2022-11-18 20:30:43,549 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2022-11-18 20:30:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2022-11-18 20:30:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 20:30:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 20:30:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2022-11-18 20:30:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2022-11-18 20:30:43,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:30:43,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:30:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2022-11-18 20:30:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2022-11-18 20:30:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:30:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:30:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2022-11-18 20:30:43,551 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2022-11-18 20:30:43,551 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2022-11-18 20:30:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2022-11-18 20:30:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2022-11-18 20:30:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2022-11-18 20:30:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-18 20:30:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-18 20:30:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:30:43,552 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:30:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-18 20:30:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-18 20:30:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2022-11-18 20:30:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2022-11-18 20:30:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-18 20:30:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-18 20:30:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2022-11-18 20:30:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2022-11-18 20:30:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2022-11-18 20:30:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2022-11-18 20:30:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:30:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:30:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-18 20:30:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-18 20:30:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2022-11-18 20:30:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2022-11-18 20:30:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:30:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:30:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-18 20:30:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-18 20:30:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:30:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:30:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2022-11-18 20:30:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2022-11-18 20:30:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:30:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-18 20:30:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-18 20:30:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2022-11-18 20:30:43,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2022-11-18 20:30:43,559 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:30:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:30:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 20:30:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 20:30:43,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:30:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:30:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2022-11-18 20:30:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2022-11-18 20:30:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2022-11-18 20:30:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2022-11-18 20:30:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:30:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:30:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2022-11-18 20:30:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2022-11-18 20:30:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:30:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:30:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:30:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:30:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:30:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:30:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:30:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:30:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:30:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-11-18 20:30:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-11-18 20:30:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2022-11-18 20:30:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2022-11-18 20:30:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2022-11-18 20:30:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2022-11-18 20:30:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-18 20:30:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-18 20:30:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 20:30:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 20:30:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:30:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:30:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:30:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:30:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-18 20:30:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-18 20:30:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2022-11-18 20:30:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2022-11-18 20:30:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:30:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:30:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 20:30:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 20:30:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:30:43,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:30:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-11-18 20:30:43,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-11-18 20:30:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2022-11-18 20:30:43,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2022-11-18 20:30:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:30:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-11-18 20:30:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-11-18 20:30:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-18 20:30:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-18 20:30:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 20:30:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 20:30:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:30:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-11-18 20:30:43,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-11-18 20:30:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:30:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:30:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:30:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-18 20:30:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-18 20:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2022-11-18 20:30:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2022-11-18 20:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 20:30:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 20:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2022-11-18 20:30:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2022-11-18 20:30:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-18 20:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-18 20:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 20:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 20:30:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:30:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:30:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2022-11-18 20:30:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2022-11-18 20:30:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2022-11-18 20:30:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2022-11-18 20:30:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2022-11-18 20:30:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2022-11-18 20:30:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-11-18 20:30:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-11-18 20:30:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:30:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:30:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:30:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:30:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:30:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:30:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:30:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:30:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:30:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:30:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2022-11-18 20:30:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2022-11-18 20:30:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2022-11-18 20:30:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2022-11-18 20:30:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-18 20:30:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-18 20:30:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-18 20:30:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-18 20:30:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 20:30:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 20:30:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-18 20:30:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-18 20:30:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-11-18 20:30:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-11-18 20:30:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-18 20:30:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-18 20:30:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2022-11-18 20:30:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2022-11-18 20:30:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:30:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:30:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:30:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:30:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-18 20:30:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-18 20:30:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2022-11-18 20:30:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2022-11-18 20:30:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:30:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:30:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:30:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:30:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:30:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:30:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-18 20:30:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-18 20:30:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:30:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:30:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2022-11-18 20:30:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2022-11-18 20:30:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2022-11-18 20:30:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2022-11-18 20:30:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:30:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:30:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:30:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:30:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:30:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:30:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:30:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:30:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2022-11-18 20:30:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2022-11-18 20:30:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-18 20:30:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-18 20:30:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:30:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2022-11-18 20:30:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2022-11-18 20:30:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-18 20:30:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-18 20:30:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 20:30:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 20:30:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:30:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:30:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 20:30:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 20:30:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:30:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:30:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2022-11-18 20:30:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2022-11-18 20:30:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:30:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:30:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 20:30:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 20:30:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:30:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:30:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-18 20:30:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-18 20:30:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2022-11-18 20:30:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2022-11-18 20:30:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:30:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:30:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2022-11-18 20:30:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2022-11-18 20:30:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2022-11-18 20:30:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2022-11-18 20:30:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2022-11-18 20:30:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2022-11-18 20:30:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-18 20:30:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-18 20:30:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2022-11-18 20:30:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2022-11-18 20:30:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:30:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:30:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-18 20:30:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-18 20:30:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:30:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-18 20:30:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-18 20:30:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:30:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:30:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2022-11-18 20:30:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2022-11-18 20:30:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 20:30:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 20:30:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:30:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:30:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-18 20:30:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-18 20:30:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2022-11-18 20:30:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2022-11-18 20:30:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:30:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:30:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 20:30:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 20:30:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2022-11-18 20:30:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2022-11-18 20:30:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:30:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:30:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:30:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:30:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2022-11-18 20:30:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2022-11-18 20:30:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:30:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:30:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2022-11-18 20:30:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2022-11-18 20:30:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-18 20:30:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-18 20:30:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-18 20:30:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-18 20:30:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2022-11-18 20:30:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2022-11-18 20:30:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-18 20:30:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-18 20:30:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 20:30:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 20:30:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:30:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:30:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-18 20:30:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-18 20:30:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:30:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:30:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 20:30:43,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 20:30:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2022-11-18 20:30:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2022-11-18 20:30:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2022-11-18 20:30:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2022-11-18 20:30:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:30:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-18 20:30:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-18 20:30:44,570 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:30:44,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:30:44,713 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:30:54,919 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:30:54,948 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:30:54,949 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:30:54,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:54 BoogieIcfgContainer [2022-11-18 20:30:54,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:30:54,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:30:54,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:30:54,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:30:54,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:30:37" (1/3) ... [2022-11-18 20:30:54,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e529cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:54, skipping insertion in model container [2022-11-18 20:30:54,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:42" (2/3) ... [2022-11-18 20:30:54,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e529cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:54, skipping insertion in model container [2022-11-18 20:30:54,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:54" (3/3) ... [2022-11-18 20:30:54,962 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2022-11-18 20:30:54,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:30:54,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:30:55,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:30:55,108 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;@23b62f59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:30:55,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:30:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 2220 states, 1521 states have (on average 1.3155818540433926) internal successors, (2001), 1569 states have internal predecessors, (2001), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-18 20:30:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-18 20:30:55,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:55,173 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:30:55,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:55,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:55,182 INFO L85 PathProgramCache]: Analyzing trace with hash -411166986, now seen corresponding path program 1 times [2022-11-18 20:30:55,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:55,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991637084] [2022-11-18 20:30:55,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:30:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:30:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:30:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:30:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:30:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:30:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:30:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:30:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:30:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:30:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:30:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:30:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:30:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:30:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:30:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:30:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:30:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:30:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:30:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 20:30:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:30:56,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:56,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991637084] [2022-11-18 20:30:56,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991637084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:56,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:56,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:30:56,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545792473] [2022-11-18 20:30:56,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:56,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:30:56,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:56,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:30:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:30:56,689 INFO L87 Difference]: Start difference. First operand has 2220 states, 1521 states have (on average 1.3155818540433926) internal successors, (2001), 1569 states have internal predecessors, (2001), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:30:59,610 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 [] [2022-11-18 20:31:01,619 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 [] [2022-11-18 20:31:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:12,376 INFO L93 Difference]: Finished difference Result 4734 states and 6875 transitions. [2022-11-18 20:31:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:31:12,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 290 [2022-11-18 20:31:12,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:12,438 INFO L225 Difference]: With dead ends: 4734 [2022-11-18 20:31:12,438 INFO L226 Difference]: Without dead ends: 2499 [2022-11-18 20:31:12,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:31:12,458 INFO L413 NwaCegarLoop]: 2582 mSDtfsCounter, 1275 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 3092 mSolverCounterSat, 1396 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 6415 SdHoareTripleChecker+Invalid, 4490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1396 IncrementalHoareTripleChecker+Valid, 3092 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:12,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 6415 Invalid, 4490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1396 Valid, 3092 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-11-18 20:31:12,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2022-11-18 20:31:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2200. [2022-11-18 20:31:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 1514 states have (on average 1.3064729194187583) internal successors, (1978), 1549 states have internal predecessors, (1978), 540 states have call successors, (540), 146 states have call predecessors, (540), 145 states have return successors, (530), 528 states have call predecessors, (530), 530 states have call successors, (530) [2022-11-18 20:31:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3048 transitions. [2022-11-18 20:31:12,775 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3048 transitions. Word has length 290 [2022-11-18 20:31:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:12,777 INFO L495 AbstractCegarLoop]: Abstraction has 2200 states and 3048 transitions. [2022-11-18 20:31:12,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:31:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3048 transitions. [2022-11-18 20:31:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-18 20:31:12,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:12,791 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:31:12,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:12,794 INFO L85 PathProgramCache]: Analyzing trace with hash 561130888, now seen corresponding path program 1 times [2022-11-18 20:31:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:12,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467676460] [2022-11-18 20:31:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:31:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:31:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:31:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:31:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:31:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:31:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:31:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:31:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:31:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:31:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:31:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:31:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:31:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:31:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:31:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:31:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:31:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:31:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:31:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 20:31:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:31:14,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:14,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467676460] [2022-11-18 20:31:14,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467676460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:14,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:14,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:31:14,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115757989] [2022-11-18 20:31:14,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:14,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:31:14,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:14,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:31:14,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:31:14,029 INFO L87 Difference]: Start difference. First operand 2200 states and 3048 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:31:16,814 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 [] [2022-11-18 20:31:27,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:27,344 INFO L93 Difference]: Finished difference Result 6112 states and 8587 transitions. [2022-11-18 20:31:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:31:27,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 290 [2022-11-18 20:31:27,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:27,373 INFO L225 Difference]: With dead ends: 6112 [2022-11-18 20:31:27,373 INFO L226 Difference]: Without dead ends: 3959 [2022-11-18 20:31:27,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:31:27,384 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 4923 mSDsluCounter, 3486 mSDsCounter, 0 mSdLazyCounter, 2839 mSolverCounterSat, 3367 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5128 SdHoareTripleChecker+Valid, 6242 SdHoareTripleChecker+Invalid, 6207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3367 IncrementalHoareTripleChecker+Valid, 2839 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:27,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5128 Valid, 6242 Invalid, 6207 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3367 Valid, 2839 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-11-18 20:31:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2022-11-18 20:31:27,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3463. [2022-11-18 20:31:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 2407 states have (on average 1.3078520980473618) internal successors, (3148), 2452 states have internal predecessors, (3148), 805 states have call successors, (805), 251 states have call predecessors, (805), 250 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-11-18 20:31:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 4748 transitions. [2022-11-18 20:31:27,568 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 4748 transitions. Word has length 290 [2022-11-18 20:31:27,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:27,569 INFO L495 AbstractCegarLoop]: Abstraction has 3463 states and 4748 transitions. [2022-11-18 20:31:27,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:31:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 4748 transitions. [2022-11-18 20:31:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-18 20:31:27,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:27,576 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:27,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:31:27,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:27,577 INFO L85 PathProgramCache]: Analyzing trace with hash -168810642, now seen corresponding path program 1 times [2022-11-18 20:31:27,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:27,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225252540] [2022-11-18 20:31:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:31:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:31:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:31:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:31:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:31:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:31:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:31:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:31:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:31:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:31:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:31:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:31:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:31:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:31:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:31:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:31:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:31:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:31:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:31:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:31:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:31:28,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:28,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225252540] [2022-11-18 20:31:28,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225252540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:28,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:28,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:31:28,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190804441] [2022-11-18 20:31:28,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:28,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:31:28,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:28,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:31:28,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:31:28,737 INFO L87 Difference]: Start difference. First operand 3463 states and 4748 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:31:31,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:33,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:47,669 INFO L93 Difference]: Finished difference Result 4283 states and 6200 transitions. [2022-11-18 20:31:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:31:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2022-11-18 20:31:47,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:47,698 INFO L225 Difference]: With dead ends: 4283 [2022-11-18 20:31:47,698 INFO L226 Difference]: Without dead ends: 4279 [2022-11-18 20:31:47,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:31:47,705 INFO L413 NwaCegarLoop]: 2413 mSDtfsCounter, 4328 mSDsluCounter, 5096 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 2137 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 6498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2137 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:47,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4730 Valid, 7509 Invalid, 6498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2137 Valid, 4359 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2022-11-18 20:31:47,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4279 states. [2022-11-18 20:31:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 3464. [2022-11-18 20:31:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3464 states, 2409 states have (on average 1.306766293067663) internal successors, (3148), 2452 states have internal predecessors, (3148), 803 states have call successors, (803), 252 states have call predecessors, (803), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-11-18 20:31:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3464 states and 4746 transitions. [2022-11-18 20:31:47,914 INFO L78 Accepts]: Start accepts. Automaton has 3464 states and 4746 transitions. Word has length 299 [2022-11-18 20:31:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:47,916 INFO L495 AbstractCegarLoop]: Abstraction has 3464 states and 4746 transitions. [2022-11-18 20:31:47,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:31:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 4746 transitions. [2022-11-18 20:31:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-18 20:31:47,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:47,924 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:47,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:31:47,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:47,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash -939013658, now seen corresponding path program 1 times [2022-11-18 20:31:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:47,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272878244] [2022-11-18 20:31:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:31:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:31:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:31:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:31:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:31:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:31:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:31:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:31:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:31:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:31:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:31:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:31:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:31:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:31:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:31:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:31:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:31:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:31:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:31:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:31:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:31:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:31:48,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:48,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272878244] [2022-11-18 20:31:48,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272878244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:48,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:48,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:31:48,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218104601] [2022-11-18 20:31:48,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:48,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:31:48,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:31:48,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:31:48,981 INFO L87 Difference]: Start difference. First operand 3464 states and 4746 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:31:51,879 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 [] [2022-11-18 20:31:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:59,585 INFO L93 Difference]: Finished difference Result 4279 states and 6195 transitions. [2022-11-18 20:31:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:31:59,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 300 [2022-11-18 20:31:59,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:59,610 INFO L225 Difference]: With dead ends: 4279 [2022-11-18 20:31:59,611 INFO L226 Difference]: Without dead ends: 4276 [2022-11-18 20:31:59,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:31:59,614 INFO L413 NwaCegarLoop]: 2425 mSDtfsCounter, 5549 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 3607 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 5100 SdHoareTripleChecker+Invalid, 5955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3607 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:59,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 5100 Invalid, 5955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3607 Valid, 2347 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-18 20:31:59,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2022-11-18 20:31:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3463. [2022-11-18 20:31:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 2409 states have (on average 1.3063511830635117) internal successors, (3147), 2451 states have internal predecessors, (3147), 802 states have call successors, (802), 252 states have call predecessors, (802), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-11-18 20:31:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 4744 transitions. [2022-11-18 20:31:59,834 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 4744 transitions. Word has length 300 [2022-11-18 20:31:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:59,838 INFO L495 AbstractCegarLoop]: Abstraction has 3463 states and 4744 transitions. [2022-11-18 20:31:59,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:31:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 4744 transitions. [2022-11-18 20:31:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 20:31:59,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:59,845 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:59,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:31:59,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:59,846 INFO L85 PathProgramCache]: Analyzing trace with hash 954501489, now seen corresponding path program 1 times [2022-11-18 20:31:59,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:59,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328054972] [2022-11-18 20:31:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:32:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:32:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:32:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:32:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:32:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:32:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:32:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:32:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:32:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:32:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:32:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:32:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:32:00,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:00,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328054972] [2022-11-18 20:32:00,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328054972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:00,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:00,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:32:00,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583282188] [2022-11-18 20:32:00,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:00,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:32:00,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:00,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:32:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:32:00,798 INFO L87 Difference]: Start difference. First operand 3463 states and 4744 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:32:03,771 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 [] [2022-11-18 20:32:05,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:07,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:20,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:20,011 INFO L93 Difference]: Finished difference Result 4278 states and 6193 transitions. [2022-11-18 20:32:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:32:20,012 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), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 301 [2022-11-18 20:32:20,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:20,034 INFO L225 Difference]: With dead ends: 4278 [2022-11-18 20:32:20,035 INFO L226 Difference]: Without dead ends: 4275 [2022-11-18 20:32:20,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:32:20,038 INFO L413 NwaCegarLoop]: 2412 mSDtfsCounter, 4341 mSDsluCounter, 5097 mSDsCounter, 0 mSdLazyCounter, 4337 mSolverCounterSat, 2149 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 6489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2149 IncrementalHoareTripleChecker+Valid, 4337 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:20,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4753 Valid, 7509 Invalid, 6489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2149 Valid, 4337 Invalid, 3 Unknown, 0 Unchecked, 18.7s Time] [2022-11-18 20:32:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2022-11-18 20:32:20,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3462. [2022-11-18 20:32:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3462 states, 2409 states have (on average 1.3059360730593608) internal successors, (3146), 2450 states have internal predecessors, (3146), 801 states have call successors, (801), 252 states have call predecessors, (801), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-11-18 20:32:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3462 states and 4742 transitions. [2022-11-18 20:32:20,298 INFO L78 Accepts]: Start accepts. Automaton has 3462 states and 4742 transitions. Word has length 301 [2022-11-18 20:32:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:20,298 INFO L495 AbstractCegarLoop]: Abstraction has 3462 states and 4742 transitions. [2022-11-18 20:32:20,300 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), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:32:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3462 states and 4742 transitions. [2022-11-18 20:32:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-18 20:32:20,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:20,306 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:20,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:32:20,307 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash -476066231, now seen corresponding path program 1 times [2022-11-18 20:32:20,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:20,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771285835] [2022-11-18 20:32:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:32:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:32:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:32:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:32:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:32:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:32:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:32:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:32:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:32:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:32:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:32:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:32:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:32:21,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:21,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771285835] [2022-11-18 20:32:21,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771285835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:21,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:21,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:32:21,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536697114] [2022-11-18 20:32:21,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:21,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:32:21,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:21,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:32:21,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:32:21,299 INFO L87 Difference]: Start difference. First operand 3462 states and 4742 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:32:24,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:26,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:37,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:37,194 INFO L93 Difference]: Finished difference Result 4277 states and 6191 transitions. [2022-11-18 20:32:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:32:37,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 302 [2022-11-18 20:32:37,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:37,215 INFO L225 Difference]: With dead ends: 4277 [2022-11-18 20:32:37,216 INFO L226 Difference]: Without dead ends: 4274 [2022-11-18 20:32:37,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:32:37,219 INFO L413 NwaCegarLoop]: 2410 mSDtfsCounter, 4901 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 3591 mSolverCounterSat, 2838 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5319 SdHoareTripleChecker+Valid, 6400 SdHoareTripleChecker+Invalid, 6431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2838 IncrementalHoareTripleChecker+Valid, 3591 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:37,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5319 Valid, 6400 Invalid, 6431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2838 Valid, 3591 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-18 20:32:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-11-18 20:32:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 3461. [2022-11-18 20:32:37,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3461 states, 2409 states have (on average 1.3055209630552096) internal successors, (3145), 2449 states have internal predecessors, (3145), 800 states have call successors, (800), 252 states have call predecessors, (800), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-11-18 20:32:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3461 states and 4740 transitions. [2022-11-18 20:32:37,487 INFO L78 Accepts]: Start accepts. Automaton has 3461 states and 4740 transitions. Word has length 302 [2022-11-18 20:32:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:37,488 INFO L495 AbstractCegarLoop]: Abstraction has 3461 states and 4740 transitions. [2022-11-18 20:32:37,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:32:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 4740 transitions. [2022-11-18 20:32:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-18 20:32:37,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:37,492 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:37,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:32:37,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:37,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1873987724, now seen corresponding path program 1 times [2022-11-18 20:32:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:37,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685126127] [2022-11-18 20:32:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:37,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:32:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:32:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:32:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:32:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:32:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:32:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:32:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:32:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:32:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:32:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:32:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:32:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:32:38,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:38,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685126127] [2022-11-18 20:32:38,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685126127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:38,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:38,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:32:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940925061] [2022-11-18 20:32:38,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:38,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:32:38,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:32:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:32:38,358 INFO L87 Difference]: Start difference. First operand 3461 states and 4740 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:32:41,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:43,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:46,706 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 [] [2022-11-18 20:33:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:03,667 INFO L93 Difference]: Finished difference Result 11886 states and 17224 transitions. [2022-11-18 20:33:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:33:03,668 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), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 303 [2022-11-18 20:33:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:03,719 INFO L225 Difference]: With dead ends: 11886 [2022-11-18 20:33:03,719 INFO L226 Difference]: Without dead ends: 8472 [2022-11-18 20:33:03,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:33:03,739 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 5607 mSDsluCounter, 7295 mSDsCounter, 0 mSdLazyCounter, 6826 mSolverCounterSat, 3301 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6110 SdHoareTripleChecker+Valid, 10756 SdHoareTripleChecker+Invalid, 10130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3301 IncrementalHoareTripleChecker+Valid, 6826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:03,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6110 Valid, 10756 Invalid, 10130 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3301 Valid, 6826 Invalid, 3 Unknown, 0 Unchecked, 24.2s Time] [2022-11-18 20:33:03,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2022-11-18 20:33:04,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 6878. [2022-11-18 20:33:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6878 states, 4789 states have (on average 1.3067446230945918) internal successors, (6258), 4880 states have internal predecessors, (6258), 1575 states have call successors, (1575), 499 states have call predecessors, (1575), 513 states have return successors, (1737), 1560 states have call predecessors, (1737), 1569 states have call successors, (1737) [2022-11-18 20:33:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6878 states to 6878 states and 9570 transitions. [2022-11-18 20:33:04,377 INFO L78 Accepts]: Start accepts. Automaton has 6878 states and 9570 transitions. Word has length 303 [2022-11-18 20:33:04,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:04,379 INFO L495 AbstractCegarLoop]: Abstraction has 6878 states and 9570 transitions. [2022-11-18 20:33:04,380 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), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:33:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6878 states and 9570 transitions. [2022-11-18 20:33:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-18 20:33:04,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:04,383 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:04,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:33:04,383 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2035091116, now seen corresponding path program 1 times [2022-11-18 20:33:04,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:04,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138935647] [2022-11-18 20:33:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:04,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:33:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:33:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:33:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:33:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:33:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:33:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:33:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:33:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:33:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:33:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:33:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:33:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:33:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-11-18 20:33:05,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:05,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138935647] [2022-11-18 20:33:05,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138935647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:05,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:05,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:33:05,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826632430] [2022-11-18 20:33:05,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:05,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:33:05,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:05,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:33:05,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:33:05,235 INFO L87 Difference]: Start difference. First operand 6878 states and 9570 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:33:08,170 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 [] [2022-11-18 20:33:10,178 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 [] [2022-11-18 20:33:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:23,854 INFO L93 Difference]: Finished difference Result 8466 states and 12399 transitions. [2022-11-18 20:33:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:33:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 304 [2022-11-18 20:33:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:23,900 INFO L225 Difference]: With dead ends: 8466 [2022-11-18 20:33:23,900 INFO L226 Difference]: Without dead ends: 8449 [2022-11-18 20:33:23,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:33:23,909 INFO L413 NwaCegarLoop]: 2423 mSDtfsCounter, 4319 mSDsluCounter, 5086 mSDsCounter, 0 mSdLazyCounter, 4352 mSolverCounterSat, 2096 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 6450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 4352 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:23,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 7509 Invalid, 6450 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2096 Valid, 4352 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2022-11-18 20:33:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-11-18 20:33:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 6863. [2022-11-18 20:33:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6863 states, 4778 states have (on average 1.3064043532858938) internal successors, (6242), 4868 states have internal predecessors, (6242), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-11-18 20:33:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 9547 transitions. [2022-11-18 20:33:24,605 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 9547 transitions. Word has length 304 [2022-11-18 20:33:24,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:24,606 INFO L495 AbstractCegarLoop]: Abstraction has 6863 states and 9547 transitions. [2022-11-18 20:33:24,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 20:33:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 9547 transitions. [2022-11-18 20:33:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-11-18 20:33:24,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:24,615 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-18 20:33:24,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:33:24,615 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:24,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:24,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1725223156, now seen corresponding path program 1 times [2022-11-18 20:33:24,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:24,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963582163] [2022-11-18 20:33:24,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:24,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:33:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:33:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:33:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:33:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:33:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:33:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:33:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:33:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:33:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:33:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:33:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:33:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:33:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:33:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:33:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:33:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-18 20:33:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 20:33:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-11-18 20:33:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-11-18 20:33:25,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:25,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963582163] [2022-11-18 20:33:25,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963582163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:25,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:25,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:33:25,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707975064] [2022-11-18 20:33:25,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:25,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:33:25,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:25,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:33:25,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:33:25,739 INFO L87 Difference]: Start difference. First operand 6863 states and 9547 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:33:29,600 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 [] [2022-11-18 20:33:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:48,493 INFO L93 Difference]: Finished difference Result 17623 states and 25825 transitions. [2022-11-18 20:33:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:33:48,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 384 [2022-11-18 20:33:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:48,545 INFO L225 Difference]: With dead ends: 17623 [2022-11-18 20:33:48,545 INFO L226 Difference]: Without dead ends: 10807 [2022-11-18 20:33:48,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:33:48,578 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 5851 mSDsluCounter, 7773 mSDsCounter, 0 mSdLazyCounter, 9354 mSolverCounterSat, 4658 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5999 SdHoareTripleChecker+Valid, 10585 SdHoareTripleChecker+Invalid, 14013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4658 IncrementalHoareTripleChecker+Valid, 9354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:48,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5999 Valid, 10585 Invalid, 14013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4658 Valid, 9354 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2022-11-18 20:33:48,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10807 states. [2022-11-18 20:33:49,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10807 to 6871. [2022-11-18 20:33:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6871 states, 4786 states have (on average 1.3058921855411618) internal successors, (6250), 4876 states have internal predecessors, (6250), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-11-18 20:33:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6871 states to 6871 states and 9555 transitions. [2022-11-18 20:33:49,415 INFO L78 Accepts]: Start accepts. Automaton has 6871 states and 9555 transitions. Word has length 384 [2022-11-18 20:33:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:49,416 INFO L495 AbstractCegarLoop]: Abstraction has 6871 states and 9555 transitions. [2022-11-18 20:33:49,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:33:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6871 states and 9555 transitions. [2022-11-18 20:33:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-11-18 20:33:49,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:49,426 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-18 20:33:49,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:33:49,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:49,427 INFO L85 PathProgramCache]: Analyzing trace with hash 898530915, now seen corresponding path program 1 times [2022-11-18 20:33:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:49,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59857295] [2022-11-18 20:33:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:33:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:33:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:33:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:33:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:33:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:33:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:33:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:33:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:33:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:33:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:33:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:33:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:33:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:33:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:33:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:33:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 20:33:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-18 20:33:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-18 20:33:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-11-18 20:33:50,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:50,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59857295] [2022-11-18 20:33:50,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59857295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:50,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:50,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:33:50,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92092818] [2022-11-18 20:33:50,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:50,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:33:50,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:50,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:33:50,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:33:50,556 INFO L87 Difference]: Start difference. First operand 6871 states and 9555 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:33:54,044 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 [] [2022-11-18 20:34:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:20,185 INFO L93 Difference]: Finished difference Result 20025 states and 29854 transitions. [2022-11-18 20:34:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:34:20,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 382 [2022-11-18 20:34:20,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:20,253 INFO L225 Difference]: With dead ends: 20025 [2022-11-18 20:34:20,253 INFO L226 Difference]: Without dead ends: 13201 [2022-11-18 20:34:20,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:34:20,283 INFO L413 NwaCegarLoop]: 3167 mSDtfsCounter, 6040 mSDsluCounter, 10322 mSDsCounter, 0 mSdLazyCounter, 12409 mSolverCounterSat, 3793 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6483 SdHoareTripleChecker+Valid, 13489 SdHoareTripleChecker+Invalid, 16203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3793 IncrementalHoareTripleChecker+Valid, 12409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:20,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6483 Valid, 13489 Invalid, 16203 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3793 Valid, 12409 Invalid, 1 Unknown, 0 Unchecked, 27.8s Time] [2022-11-18 20:34:20,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13201 states. [2022-11-18 20:34:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13201 to 6879. [2022-11-18 20:34:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6879 states, 4794 states have (on average 1.3053817271589487) internal successors, (6258), 4884 states have internal predecessors, (6258), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-11-18 20:34:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6879 states to 6879 states and 9563 transitions. [2022-11-18 20:34:21,115 INFO L78 Accepts]: Start accepts. Automaton has 6879 states and 9563 transitions. Word has length 382 [2022-11-18 20:34:21,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:21,116 INFO L495 AbstractCegarLoop]: Abstraction has 6879 states and 9563 transitions. [2022-11-18 20:34:21,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:34:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 6879 states and 9563 transitions. [2022-11-18 20:34:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-18 20:34:21,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:21,125 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-18 20:34:21,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:34:21,126 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1316985909, now seen corresponding path program 1 times [2022-11-18 20:34:21,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:21,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150955622] [2022-11-18 20:34:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:21,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:34:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:34:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:34:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:34:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:34:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:34:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:34:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:34:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:34:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:34:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:34:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:34:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:34:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:34:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:34:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:34:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:34:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:34:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:34:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:34:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:34:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:34:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:34:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:34:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 20:34:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 20:34:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-11-18 20:34:22,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:22,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150955622] [2022-11-18 20:34:22,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150955622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:22,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:22,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:34:22,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719958096] [2022-11-18 20:34:22,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:22,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:34:22,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:22,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:34:22,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:34:22,124 INFO L87 Difference]: Start difference. First operand 6879 states and 9563 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:34:25,639 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 [] [2022-11-18 20:34:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:47,226 INFO L93 Difference]: Finished difference Result 20081 states and 29934 transitions. [2022-11-18 20:34:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:34:47,227 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 385 [2022-11-18 20:34:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:47,292 INFO L225 Difference]: With dead ends: 20081 [2022-11-18 20:34:47,292 INFO L226 Difference]: Without dead ends: 13249 [2022-11-18 20:34:47,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:34:47,316 INFO L413 NwaCegarLoop]: 3172 mSDtfsCounter, 6118 mSDsluCounter, 8945 mSDsCounter, 0 mSdLazyCounter, 10815 mSolverCounterSat, 3810 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6564 SdHoareTripleChecker+Valid, 12117 SdHoareTripleChecker+Invalid, 14626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3810 IncrementalHoareTripleChecker+Valid, 10815 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:47,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6564 Valid, 12117 Invalid, 14626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3810 Valid, 10815 Invalid, 1 Unknown, 0 Unchecked, 23.0s Time] [2022-11-18 20:34:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13249 states. [2022-11-18 20:34:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13249 to 6887. [2022-11-18 20:34:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6887 states, 4802 states have (on average 1.3048729695960017) internal successors, (6266), 4892 states have internal predecessors, (6266), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-11-18 20:34:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6887 states to 6887 states and 9571 transitions. [2022-11-18 20:34:48,115 INFO L78 Accepts]: Start accepts. Automaton has 6887 states and 9571 transitions. Word has length 385 [2022-11-18 20:34:48,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:48,116 INFO L495 AbstractCegarLoop]: Abstraction has 6887 states and 9571 transitions. [2022-11-18 20:34:48,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:34:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6887 states and 9571 transitions. [2022-11-18 20:34:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-18 20:34:48,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:48,125 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-11-18 20:34:48,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:34:48,126 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:48,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1592759354, now seen corresponding path program 1 times [2022-11-18 20:34:48,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:48,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611563749] [2022-11-18 20:34:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:34:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:34:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:34:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:34:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:34:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:34:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:34:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:34:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:34:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:34:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:34:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:34:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:34:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:34:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:34:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:34:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:34:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:34:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:34:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:34:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:34:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:34:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:34:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:34:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 20:34:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 20:34:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-11-18 20:34:48,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:48,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611563749] [2022-11-18 20:34:48,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611563749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:48,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:48,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:34:48,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297884342] [2022-11-18 20:34:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:48,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:34:48,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:48,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:34:48,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:34:48,929 INFO L87 Difference]: Start difference. First operand 6887 states and 9571 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:34:51,999 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 [] [2022-11-18 20:35:07,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:07,757 INFO L93 Difference]: Finished difference Result 16811 states and 23790 transitions. [2022-11-18 20:35:07,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:35:07,760 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 385 [2022-11-18 20:35:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:07,803 INFO L225 Difference]: With dead ends: 16811 [2022-11-18 20:35:07,804 INFO L226 Difference]: Without dead ends: 9971 [2022-11-18 20:35:07,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:35:07,824 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 7047 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5362 mSolverCounterSat, 5199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7454 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 10562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5199 IncrementalHoareTripleChecker+Valid, 5362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:07,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7454 Valid, 4322 Invalid, 10562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5199 Valid, 5362 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2022-11-18 20:35:07,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9971 states. [2022-11-18 20:35:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9971 to 8000. [2022-11-18 20:35:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8000 states, 5604 states have (on average 1.3047822983583155) internal successors, (7312), 5706 states have internal predecessors, (7312), 1739 states have call successors, (1739), 642 states have call predecessors, (1739), 656 states have return successors, (1902), 1725 states have call predecessors, (1902), 1734 states have call successors, (1902) [2022-11-18 20:35:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8000 states to 8000 states and 10953 transitions. [2022-11-18 20:35:08,629 INFO L78 Accepts]: Start accepts. Automaton has 8000 states and 10953 transitions. Word has length 385 [2022-11-18 20:35:08,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:35:08,630 INFO L495 AbstractCegarLoop]: Abstraction has 8000 states and 10953 transitions. [2022-11-18 20:35:08,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 20:35:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8000 states and 10953 transitions. [2022-11-18 20:35:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-18 20:35:08,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:35:08,640 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:35:08,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:35:08,641 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:35:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:35:08,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1499967821, now seen corresponding path program 1 times [2022-11-18 20:35:08,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:35:08,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558909310] [2022-11-18 20:35:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:35:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:35:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:35:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:35:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:35:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:35:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:35:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:35:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:35:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:35:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:35:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:35:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:35:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:35:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:35:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:35:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:35:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:35:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:35:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:35:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:35:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 20:35:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-18 20:35:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-18 20:35:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:35:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 20:35:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:35:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:35:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:35:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:35:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:35:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 20:35:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 20:35:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-11-18 20:35:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2022-11-18 20:35:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:35:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558909310] [2022-11-18 20:35:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558909310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:35:09,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:35:09,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:35:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32574258] [2022-11-18 20:35:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:35:09,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:35:09,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:35:09,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:35:09,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:35:09,803 INFO L87 Difference]: Start difference. First operand 8000 states and 10953 transitions. Second operand has 10 states, 10 states have (on average 13.4) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 20:35:13,068 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 [] [2022-11-18 20:35:15,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:35:26,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:35:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:49,388 INFO L93 Difference]: Finished difference Result 28806 states and 41244 transitions. [2022-11-18 20:35:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:35:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 408 [2022-11-18 20:35:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:49,503 INFO L225 Difference]: With dead ends: 28806 [2022-11-18 20:35:49,504 INFO L226 Difference]: Without dead ends: 20853 [2022-11-18 20:35:49,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:35:49,537 INFO L413 NwaCegarLoop]: 2951 mSDtfsCounter, 8353 mSDsluCounter, 7645 mSDsCounter, 0 mSdLazyCounter, 10487 mSolverCounterSat, 5918 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9002 SdHoareTripleChecker+Valid, 10596 SdHoareTripleChecker+Invalid, 16408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5918 IncrementalHoareTripleChecker+Valid, 10487 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:49,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9002 Valid, 10596 Invalid, 16408 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5918 Valid, 10487 Invalid, 3 Unknown, 0 Unchecked, 35.8s Time] [2022-11-18 20:35:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20853 states. [2022-11-18 20:35:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20853 to 16169. [2022-11-18 20:35:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16169 states, 11357 states have (on average 1.3071233600422647) internal successors, (14845), 11562 states have internal predecessors, (14845), 3486 states have call successors, (3486), 1272 states have call predecessors, (3486), 1325 states have return successors, (3882), 3488 states have call predecessors, (3882), 3481 states have call successors, (3882) [2022-11-18 20:35:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16169 states to 16169 states and 22213 transitions. [2022-11-18 20:35:51,753 INFO L78 Accepts]: Start accepts. Automaton has 16169 states and 22213 transitions. Word has length 408 [2022-11-18 20:35:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:35:51,753 INFO L495 AbstractCegarLoop]: Abstraction has 16169 states and 22213 transitions. [2022-11-18 20:35:51,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 20:35:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16169 states and 22213 transitions. [2022-11-18 20:35:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-18 20:35:51,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:35:51,762 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:35:51,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:35:51,763 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:35:51,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:35:51,763 INFO L85 PathProgramCache]: Analyzing trace with hash -198372471, now seen corresponding path program 1 times [2022-11-18 20:35:51,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:35:51,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254913058] [2022-11-18 20:35:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:35:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:35:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:35:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:35:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:35:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:35:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:35:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:35:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:35:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:35:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:35:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:35:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:35:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:35:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:35:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:35:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:35:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:35:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:35:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:35:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:35:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:35:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 20:35:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 20:35:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-18 20:35:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 20:35:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:35:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-18 20:35:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:35:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:35:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:35:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:35:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:35:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-18 20:35:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-18 20:35:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 20:35:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-11-18 20:35:53,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:35:53,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254913058] [2022-11-18 20:35:53,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254913058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:35:53,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:35:53,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:35:53,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309006603] [2022-11-18 20:35:53,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:35:53,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:35:53,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:35:53,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:35:53,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:35:53,660 INFO L87 Difference]: Start difference. First operand 16169 states and 22213 transitions. Second operand has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 20:35:57,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:35:59,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:36:01,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:36:25,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:25,685 INFO L93 Difference]: Finished difference Result 27331 states and 37944 transitions. [2022-11-18 20:36:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:36:25,685 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 398 [2022-11-18 20:36:25,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:25,730 INFO L225 Difference]: With dead ends: 27331 [2022-11-18 20:36:25,730 INFO L226 Difference]: Without dead ends: 11209 [2022-11-18 20:36:25,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:36:25,776 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 2079 mSDsluCounter, 10515 mSDsCounter, 0 mSdLazyCounter, 12376 mSolverCounterSat, 1603 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 12462 SdHoareTripleChecker+Invalid, 13982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1603 IncrementalHoareTripleChecker+Valid, 12376 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:25,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 12462 Invalid, 13982 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1603 Valid, 12376 Invalid, 3 Unknown, 0 Unchecked, 29.6s Time] [2022-11-18 20:36:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11209 states. [2022-11-18 20:36:27,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11209 to 9132. [2022-11-18 20:36:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9132 states, 6405 states have (on average 1.302263856362217) internal successors, (8341), 6507 states have internal predecessors, (8341), 1941 states have call successors, (1941), 783 states have call predecessors, (1941), 785 states have return successors, (1942), 1929 states have call predecessors, (1942), 1938 states have call successors, (1942) [2022-11-18 20:36:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9132 states to 9132 states and 12224 transitions. [2022-11-18 20:36:27,156 INFO L78 Accepts]: Start accepts. Automaton has 9132 states and 12224 transitions. Word has length 398 [2022-11-18 20:36:27,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:27,157 INFO L495 AbstractCegarLoop]: Abstraction has 9132 states and 12224 transitions. [2022-11-18 20:36:27,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 20:36:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 9132 states and 12224 transitions. [2022-11-18 20:36:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-11-18 20:36:27,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:27,167 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:27,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:36:27,168 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:27,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1373229823, now seen corresponding path program 1 times [2022-11-18 20:36:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:27,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047563118] [2022-11-18 20:36:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:36:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:36:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:36:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:36:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:36:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:36:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:36:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:36:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:36:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:36:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:36:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:36:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:36:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:36:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:36:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:36:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:36:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:36:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:36:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-18 20:36:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:36:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-18 20:36:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-18 20:36:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-18 20:36:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:36:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 20:36:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 20:36:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 20:36:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 20:36:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:36:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 20:36:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-18 20:36:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-18 20:36:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-18 20:36:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 20:36:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-18 20:36:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-18 20:36:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-18 20:36:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-18 20:36:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-11-18 20:36:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2022-11-18 20:36:28,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:36:28,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047563118] [2022-11-18 20:36:28,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047563118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:28,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:28,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:36:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774035075] [2022-11-18 20:36:28,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:28,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:36:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:36:28,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:36:28,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:36:28,312 INFO L87 Difference]: Start difference. First operand 9132 states and 12224 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-18 20:36:31,432 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 [] [2022-11-18 20:36:40,252 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 [] [2022-11-18 20:36:56,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:56,978 INFO L93 Difference]: Finished difference Result 31080 states and 42608 transitions. [2022-11-18 20:36:56,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:36:56,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 461 [2022-11-18 20:36:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:57,068 INFO L225 Difference]: With dead ends: 31080 [2022-11-18 20:36:57,068 INFO L226 Difference]: Without dead ends: 21995 [2022-11-18 20:36:57,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:36:57,098 INFO L413 NwaCegarLoop]: 3081 mSDtfsCounter, 8851 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 6613 mSolverCounterSat, 6705 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9434 SdHoareTripleChecker+Valid, 7848 SdHoareTripleChecker+Invalid, 13320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6705 IncrementalHoareTripleChecker+Valid, 6613 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:57,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9434 Valid, 7848 Invalid, 13320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6705 Valid, 6613 Invalid, 2 Unknown, 0 Unchecked, 24.6s Time] [2022-11-18 20:36:57,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21995 states. [2022-11-18 20:36:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21995 to 17926. [2022-11-18 20:36:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17926 states, 12561 states have (on average 1.3018867924528301) internal successors, (16353), 12767 states have internal predecessors, (16353), 3807 states have call successors, (3807), 1551 states have call predecessors, (3807), 1557 states have return successors, (3812), 3783 states have call predecessors, (3812), 3804 states have call successors, (3812) [2022-11-18 20:36:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17926 states to 17926 states and 23972 transitions. [2022-11-18 20:36:59,533 INFO L78 Accepts]: Start accepts. Automaton has 17926 states and 23972 transitions. Word has length 461 [2022-11-18 20:36:59,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:59,534 INFO L495 AbstractCegarLoop]: Abstraction has 17926 states and 23972 transitions. [2022-11-18 20:36:59,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-18 20:36:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 17926 states and 23972 transitions. [2022-11-18 20:36:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-18 20:36:59,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:59,544 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:59,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:36:59,545 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:59,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:59,545 INFO L85 PathProgramCache]: Analyzing trace with hash -883264861, now seen corresponding path program 1 times [2022-11-18 20:36:59,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:59,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349128495] [2022-11-18 20:36:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:59,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:37:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:37:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:37:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:37:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:37:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:37:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:37:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:37:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:37:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:37:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:37:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:37:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:37:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:37:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:37:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:37:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:37:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:37:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 20:37:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 20:37:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-18 20:37:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 20:37:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:37:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 20:37:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-18 20:37:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:00,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-18 20:37:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:37:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-18 20:37:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 20:37:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 20:37:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-18 20:37:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 20:37:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-18 20:37:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-18 20:37:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-18 20:37:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-18 20:37:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-18 20:37:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2022-11-18 20:37:01,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:01,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349128495] [2022-11-18 20:37:01,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349128495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:01,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:01,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:37:01,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672192578] [2022-11-18 20:37:01,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:01,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:37:01,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:01,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:37:01,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:37:01,146 INFO L87 Difference]: Start difference. First operand 17926 states and 23972 transitions. Second operand has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:37:04,908 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 [] [2022-11-18 20:37:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:26,532 INFO L93 Difference]: Finished difference Result 22762 states and 31353 transitions. [2022-11-18 20:37:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:37:26,532 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 428 [2022-11-18 20:37:26,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:26,591 INFO L225 Difference]: With dead ends: 22762 [2022-11-18 20:37:26,591 INFO L226 Difference]: Without dead ends: 20227 [2022-11-18 20:37:26,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:37:26,605 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 2722 mSDsluCounter, 8503 mSDsCounter, 0 mSdLazyCounter, 9911 mSolverCounterSat, 2262 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 10401 SdHoareTripleChecker+Invalid, 12174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2262 IncrementalHoareTripleChecker+Valid, 9911 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:26,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 10401 Invalid, 12174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2262 Valid, 9911 Invalid, 1 Unknown, 0 Unchecked, 21.7s Time] [2022-11-18 20:37:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20227 states. [2022-11-18 20:37:28,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20227 to 16522. [2022-11-18 20:37:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16522 states, 11566 states have (on average 1.2994985301746498) internal successors, (15030), 11749 states have internal predecessors, (15030), 3526 states have call successors, (3526), 1422 states have call predecessors, (3526), 1429 states have return successors, (3532), 3510 states have call predecessors, (3532), 3524 states have call successors, (3532) [2022-11-18 20:37:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16522 states to 16522 states and 22088 transitions. [2022-11-18 20:37:28,935 INFO L78 Accepts]: Start accepts. Automaton has 16522 states and 22088 transitions. Word has length 428 [2022-11-18 20:37:28,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:28,935 INFO L495 AbstractCegarLoop]: Abstraction has 16522 states and 22088 transitions. [2022-11-18 20:37:28,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.545454545454545) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:37:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 16522 states and 22088 transitions. [2022-11-18 20:37:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-18 20:37:28,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:28,944 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:28,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:37:28,945 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:28,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1157298099, now seen corresponding path program 1 times [2022-11-18 20:37:28,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:28,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264463841] [2022-11-18 20:37:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:37:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:37:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:37:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:37:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:37:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:37:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:37:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:37:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:37:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:37:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:37:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:37:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:37:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:37:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:37:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:37:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:37:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:37:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:37:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-18 20:37:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:37:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-18 20:37:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-18 20:37:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-18 20:37:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 20:37:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-18 20:37:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-18 20:37:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:37:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-18 20:37:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 20:37:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 20:37:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-18 20:37:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-18 20:37:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:37:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 20:37:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 20:37:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 20:37:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2022-11-18 20:37:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:30,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264463841] [2022-11-18 20:37:30,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264463841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:30,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:30,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:37:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488417690] [2022-11-18 20:37:30,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:30,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:37:30,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:30,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:37:30,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:37:30,290 INFO L87 Difference]: Start difference. First operand 16522 states and 22088 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:37:33,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:35,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:37:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:54,428 INFO L93 Difference]: Finished difference Result 20213 states and 28040 transitions. [2022-11-18 20:37:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:37:54,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 430 [2022-11-18 20:37:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:37:54,501 INFO L225 Difference]: With dead ends: 20213 [2022-11-18 20:37:54,501 INFO L226 Difference]: Without dead ends: 20210 [2022-11-18 20:37:54,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:37:54,510 INFO L413 NwaCegarLoop]: 1896 mSDtfsCounter, 3210 mSDsluCounter, 4497 mSDsCounter, 0 mSdLazyCounter, 6612 mSolverCounterSat, 2411 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 6393 SdHoareTripleChecker+Invalid, 9025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2411 IncrementalHoareTripleChecker+Valid, 6612 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:37:54,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 6393 Invalid, 9025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2411 Valid, 6612 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-11-18 20:37:54,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20210 states. [2022-11-18 20:37:56,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20210 to 16521. [2022-11-18 20:37:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16521 states, 11566 states have (on average 1.2988068476569254) internal successors, (15022), 11748 states have internal predecessors, (15022), 3525 states have call successors, (3525), 1422 states have call predecessors, (3525), 1429 states have return successors, (3532), 3510 states have call predecessors, (3532), 3524 states have call successors, (3532) [2022-11-18 20:37:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16521 states to 16521 states and 22079 transitions. [2022-11-18 20:37:56,439 INFO L78 Accepts]: Start accepts. Automaton has 16521 states and 22079 transitions. Word has length 430 [2022-11-18 20:37:56,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:37:56,440 INFO L495 AbstractCegarLoop]: Abstraction has 16521 states and 22079 transitions. [2022-11-18 20:37:56,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:37:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 16521 states and 22079 transitions. [2022-11-18 20:37:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-18 20:37:56,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:37:56,460 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-11-18 20:37:56,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:37:56,460 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:37:56,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:56,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1241480824, now seen corresponding path program 1 times [2022-11-18 20:37:56,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:56,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606722656] [2022-11-18 20:37:56,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:56,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:37:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:37:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:37:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:37:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:37:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:37:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:37:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:37:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:37:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:37:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:37:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:37:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:37:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:37:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:37:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:37:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:37:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:37:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:37:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:37:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:37:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:37:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:37:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:37:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:37:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 20:37:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 20:37:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:37:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 20:37:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-18 20:37:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 20:37:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:37:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:37:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-11-18 20:37:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-18 20:37:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-11-18 20:37:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2022-11-18 20:37:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:57,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606722656] [2022-11-18 20:37:57,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606722656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:57,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:57,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:37:57,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536091520] [2022-11-18 20:37:57,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:57,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:37:57,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:37:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:37:57,665 INFO L87 Difference]: Start difference. First operand 16521 states and 22079 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-18 20:38:00,952 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 [] [2022-11-18 20:38:25,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:38:25,899 INFO L93 Difference]: Finished difference Result 44100 states and 60960 transitions. [2022-11-18 20:38:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:38:25,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 509 [2022-11-18 20:38:25,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:38:25,976 INFO L225 Difference]: With dead ends: 44100 [2022-11-18 20:38:25,976 INFO L226 Difference]: Without dead ends: 27631 [2022-11-18 20:38:26,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:38:26,010 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 6398 mSDsluCounter, 4456 mSDsCounter, 0 mSdLazyCounter, 9439 mSolverCounterSat, 5568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6815 SdHoareTripleChecker+Valid, 6613 SdHoareTripleChecker+Invalid, 15008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5568 IncrementalHoareTripleChecker+Valid, 9439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:38:26,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6815 Valid, 6613 Invalid, 15008 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5568 Valid, 9439 Invalid, 1 Unknown, 0 Unchecked, 22.8s Time] [2022-11-18 20:38:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27631 states. [2022-11-18 20:38:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27631 to 21713. [2022-11-18 20:38:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21713 states, 15254 states have (on average 1.299593549232988) internal successors, (19824), 15499 states have internal predecessors, (19824), 4572 states have call successors, (4572), 1879 states have call predecessors, (4572), 1886 states have return successors, (4579), 4546 states have call predecessors, (4579), 4571 states have call successors, (4579) [2022-11-18 20:38:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21713 states to 21713 states and 28975 transitions. [2022-11-18 20:38:28,713 INFO L78 Accepts]: Start accepts. Automaton has 21713 states and 28975 transitions. Word has length 509 [2022-11-18 20:38:28,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:38:28,713 INFO L495 AbstractCegarLoop]: Abstraction has 21713 states and 28975 transitions. [2022-11-18 20:38:28,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-18 20:38:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21713 states and 28975 transitions. [2022-11-18 20:38:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-11-18 20:38:28,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:38:28,732 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:38:28,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:38:28,732 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:38:28,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash 193732643, now seen corresponding path program 1 times [2022-11-18 20:38:28,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:28,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253888150] [2022-11-18 20:38:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:28,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:38:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:38:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:38:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:38:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:38:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:38:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:38:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:38:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:38:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:38:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:38:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:38:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:38:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:38:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:38:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:38:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:38:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:38:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:38:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:38:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:38:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:38:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:38:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:38:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:38:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 20:38:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 20:38:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:38:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 20:38:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-18 20:38:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 20:38:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:38:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-11-18 20:38:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:38:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-11-18 20:38:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-18 20:38:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-11-18 20:38:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2022-11-18 20:38:29,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:38:29,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253888150] [2022-11-18 20:38:29,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253888150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:38:29,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:38:29,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:38:29,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939127868] [2022-11-18 20:38:29,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:38:29,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:38:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:38:29,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:38:29,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:38:29,956 INFO L87 Difference]: Start difference. First operand 21713 states and 28975 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 20:38:33,259 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 [] [2022-11-18 20:39:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:11,881 INFO L93 Difference]: Finished difference Result 58224 states and 80698 transitions. [2022-11-18 20:39:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 20:39:11,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 534 [2022-11-18 20:39:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:11,979 INFO L225 Difference]: With dead ends: 58224 [2022-11-18 20:39:11,979 INFO L226 Difference]: Without dead ends: 36563 [2022-11-18 20:39:12,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:39:12,127 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 6023 mSDsluCounter, 9333 mSDsCounter, 0 mSdLazyCounter, 16423 mSolverCounterSat, 5013 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 12070 SdHoareTripleChecker+Invalid, 21437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5013 IncrementalHoareTripleChecker+Valid, 16423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:12,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6332 Valid, 12070 Invalid, 21437 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5013 Valid, 16423 Invalid, 1 Unknown, 0 Unchecked, 34.0s Time] [2022-11-18 20:39:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36563 states. [2022-11-18 20:39:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36563 to 21721. [2022-11-18 20:39:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21721 states, 15262 states have (on average 1.299436508976543) internal successors, (19832), 15507 states have internal predecessors, (19832), 4572 states have call successors, (4572), 1879 states have call predecessors, (4572), 1886 states have return successors, (4579), 4546 states have call predecessors, (4579), 4571 states have call successors, (4579) [2022-11-18 20:39:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21721 states to 21721 states and 28983 transitions. [2022-11-18 20:39:15,125 INFO L78 Accepts]: Start accepts. Automaton has 21721 states and 28983 transitions. Word has length 534 [2022-11-18 20:39:15,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:15,125 INFO L495 AbstractCegarLoop]: Abstraction has 21721 states and 28983 transitions. [2022-11-18 20:39:15,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 20:39:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 21721 states and 28983 transitions. [2022-11-18 20:39:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-11-18 20:39:15,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:15,146 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:39:15,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:39:15,147 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:39:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1319094, now seen corresponding path program 1 times [2022-11-18 20:39:15,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:15,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115214381] [2022-11-18 20:39:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:15,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:39:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:39:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:39:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:39:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:39:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:39:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:39:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:39:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:39:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:39:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:39:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:39:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:39:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:39:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:39:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:39:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:39:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:39:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:39:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:39:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:39:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:39:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:39:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:39:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:39:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 20:39:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 20:39:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:39:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 20:39:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-18 20:39:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 20:39:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-11-18 20:39:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-18 20:39:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-11-18 20:39:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-11-18 20:39:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-11-18 20:39:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2022-11-18 20:39:16,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:16,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115214381] [2022-11-18 20:39:16,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115214381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:16,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:16,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:39:16,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845531336] [2022-11-18 20:39:16,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:16,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:39:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:16,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:39:16,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:39:16,137 INFO L87 Difference]: Start difference. First operand 21721 states and 28983 transitions. Second operand has 9 states, 9 states have (on average 16.555555555555557) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:39:19,258 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 [] [2022-11-18 20:39:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:49,389 INFO L93 Difference]: Finished difference Result 57064 states and 79054 transitions. [2022-11-18 20:39:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:39:49,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.555555555555557) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 542 [2022-11-18 20:39:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:49,506 INFO L225 Difference]: With dead ends: 57064 [2022-11-18 20:39:49,507 INFO L226 Difference]: Without dead ends: 35395 [2022-11-18 20:39:49,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:39:49,548 INFO L413 NwaCegarLoop]: 2194 mSDtfsCounter, 6815 mSDsluCounter, 6329 mSDsCounter, 0 mSdLazyCounter, 11172 mSolverCounterSat, 6542 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7125 SdHoareTripleChecker+Valid, 8523 SdHoareTripleChecker+Invalid, 17715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6542 IncrementalHoareTripleChecker+Valid, 11172 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:49,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7125 Valid, 8523 Invalid, 17715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6542 Valid, 11172 Invalid, 1 Unknown, 0 Unchecked, 25.7s Time] [2022-11-18 20:39:49,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35395 states. [2022-11-18 20:39:54,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35395 to 27549. [2022-11-18 20:39:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27549 states, 19338 states have (on average 1.299720757058641) internal successors, (25134), 19658 states have internal predecessors, (25134), 5843 states have call successors, (5843), 2360 states have call predecessors, (5843), 2367 states have return successors, (5850), 5806 states have call predecessors, (5850), 5842 states have call successors, (5850) [2022-11-18 20:39:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27549 states to 27549 states and 36827 transitions. [2022-11-18 20:39:54,276 INFO L78 Accepts]: Start accepts. Automaton has 27549 states and 36827 transitions. Word has length 542 [2022-11-18 20:39:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:54,277 INFO L495 AbstractCegarLoop]: Abstraction has 27549 states and 36827 transitions. [2022-11-18 20:39:54,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.555555555555557) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:39:54,277 INFO L276 IsEmpty]: Start isEmpty. Operand 27549 states and 36827 transitions. [2022-11-18 20:39:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-11-18 20:39:54,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:54,296 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:39:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:39:54,297 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:39:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash 481117042, now seen corresponding path program 1 times [2022-11-18 20:39:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295935844] [2022-11-18 20:39:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:39:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:39:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:39:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:39:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:39:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:39:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:39:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:39:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:39:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:39:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:39:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:39:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:39:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:39:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:39:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:39:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 20:39:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:39:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:39:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-18 20:39:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:39:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-18 20:39:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-18 20:39:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:39:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:39:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 20:39:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 20:39:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:39:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-18 20:39:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-18 20:39:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 20:39:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:39:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-11-18 20:39:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:39:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-18 20:39:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-11-18 20:39:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-11-18 20:39:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-11-18 20:39:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2384 trivial. 0 not checked. [2022-11-18 20:39:55,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:55,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295935844] [2022-11-18 20:39:55,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295935844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:55,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:55,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:39:55,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667805708] [2022-11-18 20:39:55,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:55,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:39:55,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:39:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:39:55,291 INFO L87 Difference]: Start difference. First operand 27549 states and 36827 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:39:58,334 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 [] [2022-11-18 20:40:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:19,044 INFO L93 Difference]: Finished difference Result 35376 states and 50064 transitions. [2022-11-18 20:40:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:40:19,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 544 [2022-11-18 20:40:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:19,049 INFO L225 Difference]: With dead ends: 35376 [2022-11-18 20:40:19,049 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:40:19,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:40:19,130 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 3950 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 6898 mSolverCounterSat, 3414 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 5469 SdHoareTripleChecker+Invalid, 10313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3414 IncrementalHoareTripleChecker+Valid, 6898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:19,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 5469 Invalid, 10313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3414 Valid, 6898 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-11-18 20:40:19,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:40:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:40:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:40:19,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 544 [2022-11-18 20:40:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:19,136 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:40:19,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 20:40:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:40:19,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:40:19,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:40:19,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:40:19,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.