./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:40:24,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:40:24,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:40:25,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:40:25,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:40:25,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:40:25,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:40:25,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:40:25,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:40:25,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:40:25,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:40:25,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:40:25,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:40:25,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:40:25,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:40:25,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:40:25,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:40:25,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:40:25,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:40:25,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:40:25,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:40:25,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:40:25,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:40:25,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:40:25,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:40:25,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:40:25,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:40:25,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:40:25,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:40:25,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:40:25,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:40:25,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:40:25,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:40:25,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:40:25,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:40:25,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:40:25,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:40:25,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:40:25,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:40:25,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:40:25,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:40:25,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:40:25,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:40:25,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:40:25,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:40:25,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:40:25,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:40:25,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:40:25,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:40:25,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:40:25,069 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:40:25,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:40:25,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:40:25,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:40:25,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:40:25,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:40:25,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:40:25,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:40:25,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:40:25,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:40:25,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:40:25,082 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_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2021-12-07 01:40:25,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:40:25,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:40:25,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:40:25,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:40:25,271 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:40:25,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-12-07 01:40:25,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/data/db7522c4b/ebee0bf4b3de4e3db49da7d8999620c3/FLAG7ec734be3 [2021-12-07 01:40:25,980 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:40:25,980 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-12-07 01:40:26,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/data/db7522c4b/ebee0bf4b3de4e3db49da7d8999620c3/FLAG7ec734be3 [2021-12-07 01:40:26,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/data/db7522c4b/ebee0bf4b3de4e3db49da7d8999620c3 [2021-12-07 01:40:26,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:40:26,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:40:26,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:40:26,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:40:26,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:40:26,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:26" (1/1) ... [2021-12-07 01:40:26,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c84ba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:26, skipping insertion in model container [2021-12-07 01:40:26,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:26" (1/1) ... [2021-12-07 01:40:26,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:40:26,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:40:29,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-12-07 01:40:29,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:40:29,107 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:40:29,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-12-07 01:40:29,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:40:29,932 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:40:29,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29 WrapperNode [2021-12-07 01:40:29,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:40:29,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:40:29,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:40:29,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:40:29,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,251 INFO L137 Inliner]: procedures = 430, calls = 3991, calls flagged for inlining = 187, calls inlined = 181, statements flattened = 10047 [2021-12-07 01:40:30,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:40:30,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:40:30,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:40:30,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:40:30,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:40:30,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:40:30,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:40:30,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:40:30,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (1/1) ... [2021-12-07 01:40:30,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:40:30,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:40:30,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:40:30,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:40:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:40:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:40:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2021-12-07 01:40:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2021-12-07 01:40:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2021-12-07 01:40:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2021-12-07 01:40:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2021-12-07 01:40:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2021-12-07 01:40:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2021-12-07 01:40:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2021-12-07 01:40:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2021-12-07 01:40:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-12-07 01:40:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2021-12-07 01:40:30,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2021-12-07 01:40:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-07 01:40:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2021-12-07 01:40:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-07 01:40:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-07 01:40:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-07 01:40:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-07 01:40:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cpu_callback [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cpu_callback [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2021-12-07 01:40:30,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:40:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2021-12-07 01:40:30,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2021-12-07 01:40:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2021-12-07 01:40:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-07 01:40:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:40:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-07 01:40:30,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-07 01:40:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-07 01:40:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:40:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:40:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:40:30,628 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:40:30,628 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2021-12-07 01:40:30,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2021-12-07 01:40:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2021-12-07 01:40:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2021-12-07 01:40:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:40:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:40:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2021-12-07 01:40:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2021-12-07 01:40:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2021-12-07 01:40:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-12-07 01:40:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2021-12-07 01:40:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2021-12-07 01:40:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:40:31,343 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:40:31,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:40:31,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:40:55,964 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:40:55,987 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:40:55,987 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:40:55,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:55 BoogieIcfgContainer [2021-12-07 01:40:55,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:40:55,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:40:55,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:40:55,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:40:55,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:40:26" (1/3) ... [2021-12-07 01:40:55,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c9e5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:40:55, skipping insertion in model container [2021-12-07 01:40:55,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:29" (2/3) ... [2021-12-07 01:40:55,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c9e5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:40:55, skipping insertion in model container [2021-12-07 01:40:55,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:55" (3/3) ... [2021-12-07 01:40:55,997 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-12-07 01:40:56,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:40:56,001 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:40:56,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:40:56,064 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:40:56,064 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:40:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 3177 states, 2219 states have (on average 1.3609734114465977) internal successors, (3020), 2283 states have internal predecessors, (3020), 805 states have call successors, (805), 152 states have call predecessors, (805), 151 states have return successors, (797), 786 states have call predecessors, (797), 797 states have call successors, (797) [2021-12-07 01:40:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-07 01:40:56,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:40:56,159 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-07 01:40:56,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:40:56,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:40:56,164 INFO L85 PathProgramCache]: Analyzing trace with hash -501892546, now seen corresponding path program 1 times [2021-12-07 01:40:56,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:40:56,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073301996] [2021-12-07 01:40:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:40:56,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:40:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:40:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:40:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:40:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:40:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:40:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 01:40:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:40:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-07 01:40:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 01:40:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:40:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:40:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:40:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:40:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 01:40:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 01:40:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:40:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 01:40:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:40:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:40:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:40:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-07 01:40:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 01:40:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:40:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-07 01:40:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-07 01:40:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-12-07 01:40:57,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:40:57,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073301996] [2021-12-07 01:40:57,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073301996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:40:57,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:40:57,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:40:57,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316421291] [2021-12-07 01:40:57,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:40:57,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:40:57,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:40:57,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:40:57,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:40:57,576 INFO L87 Difference]: Start difference. First operand has 3177 states, 2219 states have (on average 1.3609734114465977) internal successors, (3020), 2283 states have internal predecessors, (3020), 805 states have call successors, (805), 152 states have call predecessors, (805), 151 states have return successors, (797), 786 states have call predecessors, (797), 797 states have call successors, (797) Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 01:41:00,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:05,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:07,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:09,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:10,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:12,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:15,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:20,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:22,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:24,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:26,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:31,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:47,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:49,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:51,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:53,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:55,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:57,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:00,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:03,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:05,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:06,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:09,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:11,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:13,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:42:13,486 INFO L93 Difference]: Finished difference Result 7550 states and 11488 transitions. [2021-12-07 01:42:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:42:13,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 341 [2021-12-07 01:42:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:42:13,535 INFO L225 Difference]: With dead ends: 7550 [2021-12-07 01:42:13,536 INFO L226 Difference]: Without dead ends: 4331 [2021-12-07 01:42:13,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:42:13,557 INFO L933 BasicCegarLoop]: 4288 mSDtfsCounter, 4663 mSDsluCounter, 8008 mSDsCounter, 0 mSdLazyCounter, 8436 mSolverCounterSat, 4025 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4991 SdHoareTripleChecker+Valid, 12296 SdHoareTripleChecker+Invalid, 12480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4025 IncrementalHoareTripleChecker+Valid, 8436 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:42:13,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4991 Valid, 12296 Invalid, 12480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4025 Valid, 8436 Invalid, 19 Unknown, 0 Unchecked, 75.3s Time] [2021-12-07 01:42:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-12-07 01:42:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3131. [2021-12-07 01:42:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3131 states, 2196 states have (on average 1.3565573770491803) internal successors, (2979), 2247 states have internal predecessors, (2979), 784 states have call successors, (784), 151 states have call predecessors, (784), 150 states have return successors, (783), 773 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-07 01:42:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 3131 states and 4546 transitions. [2021-12-07 01:42:13,779 INFO L78 Accepts]: Start accepts. Automaton has 3131 states and 4546 transitions. Word has length 341 [2021-12-07 01:42:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:42:13,779 INFO L470 AbstractCegarLoop]: Abstraction has 3131 states and 4546 transitions. [2021-12-07 01:42:13,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 01:42:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 4546 transitions. [2021-12-07 01:42:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-07 01:42:13,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:42:13,792 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-07 01:42:13,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:42:13,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:42:13,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:42:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash -543779670, now seen corresponding path program 1 times [2021-12-07 01:42:13,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:42:13,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946376991] [2021-12-07 01:42:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:42:13,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:42:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:42:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:42:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:42:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:42:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:42:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 01:42:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:42:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-07 01:42:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 01:42:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:42:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:42:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:42:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 01:42:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 01:42:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:42:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 01:42:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:42:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 01:42:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 01:42:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-07 01:42:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 01:42:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:42:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-07 01:42:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-07 01:42:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-12-07 01:42:14,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:42:14,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946376991] [2021-12-07 01:42:14,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946376991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:42:14,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:42:14,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:42:14,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513708796] [2021-12-07 01:42:14,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:42:14,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:42:14,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:42:14,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:42:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:42:14,590 INFO L87 Difference]: Start difference. First operand 3131 states and 4546 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-07 01:42:19,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:21,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:23,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:25,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:28,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:36,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:45,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:47,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:48,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:51,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:53,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:03,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:05,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:08,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:12,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:14,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:17,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:20,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:22,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:26,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:28,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:43:28,693 INFO L93 Difference]: Finished difference Result 10056 states and 14929 transitions. [2021-12-07 01:43:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:43:28,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 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 341 [2021-12-07 01:43:28,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:43:28,750 INFO L225 Difference]: With dead ends: 10056 [2021-12-07 01:43:28,750 INFO L226 Difference]: Without dead ends: 6934 [2021-12-07 01:43:28,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:43:28,765 INFO L933 BasicCegarLoop]: 4769 mSDtfsCounter, 10599 mSDsluCounter, 10242 mSDsCounter, 0 mSdLazyCounter, 10727 mSolverCounterSat, 7208 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11208 SdHoareTripleChecker+Valid, 15011 SdHoareTripleChecker+Invalid, 17949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7208 IncrementalHoareTripleChecker+Valid, 10727 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:43:28,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11208 Valid, 15011 Invalid, 17949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7208 Valid, 10727 Invalid, 14 Unknown, 0 Unchecked, 73.4s Time] [2021-12-07 01:43:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6934 states. [2021-12-07 01:43:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6934 to 5232. [2021-12-07 01:43:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 3689 states have (on average 1.3480618053673081) internal successors, (4973), 3773 states have internal predecessors, (4973), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 279 states have return successors, (1265), 1246 states have call predecessors, (1265), 1262 states have call successors, (1265) [2021-12-07 01:43:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7501 transitions. [2021-12-07 01:43:28,974 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7501 transitions. Word has length 341 [2021-12-07 01:43:28,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:43:28,975 INFO L470 AbstractCegarLoop]: Abstraction has 5232 states and 7501 transitions. [2021-12-07 01:43:28,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-07 01:43:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7501 transitions. [2021-12-07 01:43:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-12-07 01:43:28,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:43:29,000 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:43:29,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:43:29,000 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:43:29,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:43:29,000 INFO L85 PathProgramCache]: Analyzing trace with hash -506192394, now seen corresponding path program 1 times [2021-12-07 01:43:29,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:43:29,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387314203] [2021-12-07 01:43:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:43:29,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:43:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:43:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:43:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:43:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:43:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:43:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:43:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 01:43:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:43:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:43:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:43:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:43:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:43:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:43:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:43:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:43:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 01:43:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:43:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:43:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:43:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:43:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-07 01:43:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 01:43:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-07 01:43:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 01:43:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 01:43:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:43:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 01:43:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-07 01:43:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-07 01:43:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-07 01:43:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-07 01:43:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-07 01:43:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-07 01:43:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-07 01:43:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-07 01:43:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-07 01:43:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-07 01:43:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-07 01:43:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-12-07 01:43:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-07 01:43:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:43:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-07 01:43:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:43:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3110 trivial. 0 not checked. [2021-12-07 01:43:30,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:43:30,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387314203] [2021-12-07 01:43:30,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387314203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:43:30,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:43:30,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 01:43:30,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730778549] [2021-12-07 01:43:30,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:43:30,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:43:30,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:43:30,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:43:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:43:30,227 INFO L87 Difference]: Start difference. First operand 5232 states and 7501 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 01:43:35,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:37,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:39,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:40,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:45,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:46,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:48,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:43:52,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:02,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:05,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:07,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:14,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:16,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:18,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:20,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:29,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:37,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:39,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:41,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:45,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:47,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:49,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:52,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:54,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:44:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:44:57,389 INFO L93 Difference]: Finished difference Result 13544 states and 20301 transitions. [2021-12-07 01:44:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:44:57,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 578 [2021-12-07 01:44:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:44:57,437 INFO L225 Difference]: With dead ends: 13544 [2021-12-07 01:44:57,437 INFO L226 Difference]: Without dead ends: 8321 [2021-12-07 01:44:57,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:44:57,453 INFO L933 BasicCegarLoop]: 5699 mSDtfsCounter, 7422 mSDsluCounter, 23017 mSDsCounter, 0 mSdLazyCounter, 13890 mSolverCounterSat, 6205 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8179 SdHoareTripleChecker+Valid, 28716 SdHoareTripleChecker+Invalid, 20113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6205 IncrementalHoareTripleChecker+Valid, 13890 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:44:57,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8179 Valid, 28716 Invalid, 20113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6205 Valid, 13890 Invalid, 18 Unknown, 0 Unchecked, 86.5s Time] [2021-12-07 01:44:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2021-12-07 01:44:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 5236. [2021-12-07 01:44:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 3692 states have (on average 1.3477789815817984) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-12-07 01:44:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 7508 transitions. [2021-12-07 01:44:57,672 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 7508 transitions. Word has length 578 [2021-12-07 01:44:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:44:57,673 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 7508 transitions. [2021-12-07 01:44:57,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 01:44:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 7508 transitions. [2021-12-07 01:44:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-12-07 01:44:57,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:44:57,697 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:44:57,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:44:57,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:44:57,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:57,698 INFO L85 PathProgramCache]: Analyzing trace with hash 713024326, now seen corresponding path program 1 times [2021-12-07 01:44:57,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:57,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844418568] [2021-12-07 01:44:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:57,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:44:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:44:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:44:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:44:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:44:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:44:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 01:44:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:44:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:44:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:44:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:44:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:44:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:44:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:44:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:44:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 01:44:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:44:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:44:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:44:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:44:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-07 01:44:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 01:44:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-07 01:44:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 01:44:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 01:44:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:44:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 01:44:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-07 01:44:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-07 01:44:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-07 01:44:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-07 01:44:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-07 01:44:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-07 01:44:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-07 01:44:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-07 01:44:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-07 01:44:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-07 01:44:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-07 01:44:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:44:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-07 01:44:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3107 trivial. 0 not checked. [2021-12-07 01:44:58,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:44:58,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844418568] [2021-12-07 01:44:58,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844418568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:44:58,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:44:58,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:44:58,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517448985] [2021-12-07 01:44:58,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:44:58,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:44:58,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:44:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:44:58,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:44:58,884 INFO L87 Difference]: Start difference. First operand 5236 states and 7508 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-07 01:45:02,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:05,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:06,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:08,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:10,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:12,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:18,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:24,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:25,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:34,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:36,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:40,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:42,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:43,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:45:43,344 INFO L93 Difference]: Finished difference Result 12160 states and 17895 transitions. [2021-12-07 01:45:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:45:43,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 560 [2021-12-07 01:45:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:45:43,377 INFO L225 Difference]: With dead ends: 12160 [2021-12-07 01:45:43,377 INFO L226 Difference]: Without dead ends: 6933 [2021-12-07 01:45:43,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:45:43,392 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 6928 mSDsluCounter, 7928 mSDsCounter, 0 mSdLazyCounter, 6476 mSolverCounterSat, 6391 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7254 SdHoareTripleChecker+Valid, 12051 SdHoareTripleChecker+Invalid, 12872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6391 IncrementalHoareTripleChecker+Valid, 6476 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:45:43,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7254 Valid, 12051 Invalid, 12872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6391 Valid, 6476 Invalid, 5 Unknown, 0 Unchecked, 44.0s Time] [2021-12-07 01:45:43,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2021-12-07 01:45:43,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 5237. [2021-12-07 01:45:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 3693 states have (on average 1.347684809098294) internal successors, (4977), 3777 states have internal predecessors, (4977), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-12-07 01:45:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 7509 transitions. [2021-12-07 01:45:43,575 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 7509 transitions. Word has length 560 [2021-12-07 01:45:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:45:43,576 INFO L470 AbstractCegarLoop]: Abstraction has 5237 states and 7509 transitions. [2021-12-07 01:45:43,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-07 01:45:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 7509 transitions. [2021-12-07 01:45:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-07 01:45:43,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:45:43,602 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:45:43,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:45:43,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:45:43,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:45:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1368884731, now seen corresponding path program 1 times [2021-12-07 01:45:43,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:45:43,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461932658] [2021-12-07 01:45:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:45:43,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:45:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:45:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:45:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:45:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:45:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:45:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:45:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 01:45:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:45:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:45:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:45:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:45:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:45:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:45:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:45:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:45:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 01:45:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:45:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:45:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:45:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:45:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-07 01:45:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 01:45:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-07 01:45:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 01:45:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 01:45:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:45:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 01:45:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-07 01:45:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-07 01:45:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-07 01:45:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-07 01:45:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-07 01:45:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-07 01:45:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-07 01:45:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-07 01:45:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-07 01:45:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-07 01:45:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-07 01:45:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-07 01:45:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-12-07 01:45:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:45:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-07 01:45:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:45:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3110 trivial. 0 not checked. [2021-12-07 01:45:44,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:45:44,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461932658] [2021-12-07 01:45:44,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461932658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:45:44,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:45:44,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:45:44,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788178625] [2021-12-07 01:45:44,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:45:44,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:45:44,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:45:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:45:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:45:44,540 INFO L87 Difference]: Start difference. First operand 5237 states and 7509 transitions. Second operand has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 01:45:49,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:51,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:53,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:45:55,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:05,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:07,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:12,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:14,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:21,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:27,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:30,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:33,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:35,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:37,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:39,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:42,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:44,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:46:45,015 INFO L93 Difference]: Finished difference Result 12187 states and 17952 transitions. [2021-12-07 01:46:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:46:45,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 581 [2021-12-07 01:46:45,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:46:45,041 INFO L225 Difference]: With dead ends: 12187 [2021-12-07 01:46:45,041 INFO L226 Difference]: Without dead ends: 6959 [2021-12-07 01:46:45,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:46:45,057 INFO L933 BasicCegarLoop]: 4240 mSDtfsCounter, 5480 mSDsluCounter, 9910 mSDsCounter, 0 mSdLazyCounter, 8517 mSolverCounterSat, 4918 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5889 SdHoareTripleChecker+Valid, 14150 SdHoareTripleChecker+Invalid, 13448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4918 IncrementalHoareTripleChecker+Valid, 8517 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:46:45,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5889 Valid, 14150 Invalid, 13448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4918 Valid, 8517 Invalid, 13 Unknown, 0 Unchecked, 60.0s Time] [2021-12-07 01:46:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6959 states. [2021-12-07 01:46:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 5239. [2021-12-07 01:46:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 3695 states have (on average 1.3474966170500677) internal successors, (4979), 3779 states have internal predecessors, (4979), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-12-07 01:46:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7511 transitions. [2021-12-07 01:46:45,227 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7511 transitions. Word has length 581 [2021-12-07 01:46:45,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:46:45,228 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 7511 transitions. [2021-12-07 01:46:45,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 01:46:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7511 transitions. [2021-12-07 01:46:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-12-07 01:46:45,244 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:46:45,244 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:46:45,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:46:45,245 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:46:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:46:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash -658782972, now seen corresponding path program 1 times [2021-12-07 01:46:45,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:46:45,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921409664] [2021-12-07 01:46:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:46:45,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:46:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:46:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:46:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:46:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:46:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:46:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:46:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 01:46:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:46:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:46:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:46:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-07 01:46:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:46:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:46:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:46:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:46:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 01:46:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:46:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-07 01:46:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 01:46:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-07 01:46:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-07 01:46:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 01:46:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-07 01:46:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 01:46:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 01:46:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:46:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 01:46:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-07 01:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-07 01:46:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-07 01:46:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-07 01:46:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-07 01:46:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-07 01:46:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-07 01:46:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-07 01:46:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-07 01:46:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-07 01:46:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-07 01:46:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:46:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-07 01:46:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:46:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3100 trivial. 0 not checked. [2021-12-07 01:46:46,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:46:46,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921409664] [2021-12-07 01:46:46,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921409664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:46:46,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:46:46,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:46:46,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262921763] [2021-12-07 01:46:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:46:46,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:46:46,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:46:46,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:46:46,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:46:46,310 INFO L87 Difference]: Start difference. First operand 5239 states and 7511 transitions. Second operand has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-07 01:46:51,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:53,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:46:55,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:00,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:09,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:11,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:13,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:15,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:18,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:26,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:29,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:31,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:33,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:39,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:47,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:49,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:51,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:53,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:56,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:59,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:47:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:47:59,350 INFO L93 Difference]: Finished difference Result 12173 states and 17904 transitions. [2021-12-07 01:47:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:47:59,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 560 [2021-12-07 01:47:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:47:59,370 INFO L225 Difference]: With dead ends: 12173 [2021-12-07 01:47:59,370 INFO L226 Difference]: Without dead ends: 6935 [2021-12-07 01:47:59,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:47:59,381 INFO L933 BasicCegarLoop]: 4206 mSDtfsCounter, 5939 mSDsluCounter, 14731 mSDsCounter, 0 mSdLazyCounter, 10855 mSolverCounterSat, 5135 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6268 SdHoareTripleChecker+Valid, 18937 SdHoareTripleChecker+Invalid, 16006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5135 IncrementalHoareTripleChecker+Valid, 10855 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:47:59,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6268 Valid, 18937 Invalid, 16006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5135 Valid, 10855 Invalid, 16 Unknown, 0 Unchecked, 72.5s Time] [2021-12-07 01:47:59,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2021-12-07 01:47:59,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 5239. [2021-12-07 01:47:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 3695 states have (on average 1.346955345060893) internal successors, (4977), 3779 states have internal predecessors, (4977), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-12-07 01:47:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7509 transitions. [2021-12-07 01:47:59,543 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7509 transitions. Word has length 560 [2021-12-07 01:47:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:47:59,544 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 7509 transitions. [2021-12-07 01:47:59,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-07 01:47:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7509 transitions. [2021-12-07 01:47:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-12-07 01:47:59,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:47:59,559 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:47:59,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:47:59,560 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:47:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:47:59,560 INFO L85 PathProgramCache]: Analyzing trace with hash 420086179, now seen corresponding path program 1 times [2021-12-07 01:47:59,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:47:59,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639433580] [2021-12-07 01:47:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:47:59,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:47:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:47:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:47:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:47:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:47:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:47:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:47:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:47:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:47:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:47:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:47:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:47:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 01:48:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 01:48:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:48:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:48:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:48:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 01:48:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:48:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:48:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 01:48:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-07 01:48:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 01:48:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:48:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:48:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-07 01:48:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 01:48:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-07 01:48:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-07 01:48:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 01:48:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-07 01:48:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-07 01:48:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-07 01:48:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-07 01:48:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-07 01:48:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-07 01:48:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-07 01:48:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-07 01:48:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-07 01:48:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-07 01:48:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-07 01:48:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-07 01:48:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-07 01:48:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-07 01:48:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-07 01:48:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-07 01:48:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-07 01:48:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-07 01:48:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2021-12-07 01:48:00,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:00,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639433580] [2021-12-07 01:48:00,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639433580] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:48:00,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161624586] [2021-12-07 01:48:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:00,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:00,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:00,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:00,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:48:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:01,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 4806 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-07 01:48:01,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-12-07 01:48:02,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:48:02,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161624586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:48:02,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:48:02,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2021-12-07 01:48:02,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361419626] [2021-12-07 01:48:02,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:48:02,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:48:02,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:48:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:48:02,118 INFO L87 Difference]: Start difference. First operand 5239 states and 7509 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-07 01:48:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:02,321 INFO L93 Difference]: Finished difference Result 10476 states and 15015 transitions. [2021-12-07 01:48:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:48:02,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 590 [2021-12-07 01:48:02,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:02,336 INFO L225 Difference]: With dead ends: 10476 [2021-12-07 01:48:02,336 INFO L226 Difference]: Without dead ends: 5226 [2021-12-07 01:48:02,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:48:02,347 INFO L933 BasicCegarLoop]: 4542 mSDtfsCounter, 6 mSDsluCounter, 13618 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18160 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:02,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18160 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:48:02,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2021-12-07 01:48:02,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5226. [2021-12-07 01:48:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 3686 states have (on average 1.346717308735757) internal successors, (4964), 3770 states have internal predecessors, (4964), 1261 states have call successors, (1261), 277 states have call predecessors, (1261), 278 states have return successors, (1267), 1245 states have call predecessors, (1267), 1260 states have call successors, (1267) [2021-12-07 01:48:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 7492 transitions. [2021-12-07 01:48:02,487 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 7492 transitions. Word has length 590 [2021-12-07 01:48:02,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:02,488 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 7492 transitions. [2021-12-07 01:48:02,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-07 01:48:02,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 7492 transitions. [2021-12-07 01:48:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-12-07 01:48:02,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:02,503 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:48:02,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:48:02,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:02,704 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:02,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash 453741831, now seen corresponding path program 1 times [2021-12-07 01:48:02,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:02,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840149011] [2021-12-07 01:48:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:02,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:48:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:48:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:48:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:48:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:48:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 01:48:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:48:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:48:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-07 01:48:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:48:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-07 01:48:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-07 01:48:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 01:48:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-07 01:48:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:48:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:48:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:48:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 01:48:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-07 01:48:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 01:48:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-07 01:48:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-07 01:48:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-07 01:48:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-07 01:48:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 01:48:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-07 01:48:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-07 01:48:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-07 01:48:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-07 01:48:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-07 01:48:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-07 01:48:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-07 01:48:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-07 01:48:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-07 01:48:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-07 01:48:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-07 01:48:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-07 01:48:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-07 01:48:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-07 01:48:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-07 01:48:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-07 01:48:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-07 01:48:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3113 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2021-12-07 01:48:03,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:03,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840149011] [2021-12-07 01:48:03,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840149011] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:48:03,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046731389] [2021-12-07 01:48:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:03,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:03,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:03,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:03,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:48:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:04,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 4774 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 01:48:04,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3113 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 3026 trivial. 0 not checked. [2021-12-07 01:48:05,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:48:05,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046731389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:48:05,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:48:05,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-07 01:48:05,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731558777] [2021-12-07 01:48:05,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:48:05,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:48:05,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:05,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:48:05,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:48:05,257 INFO L87 Difference]: Start difference. First operand 5226 states and 7492 transitions. Second operand has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-07 01:48:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:48:05,770 INFO L93 Difference]: Finished difference Result 10456 states and 15129 transitions. [2021-12-07 01:48:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:48:05,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 588 [2021-12-07 01:48:05,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:48:05,784 INFO L225 Difference]: With dead ends: 10456 [2021-12-07 01:48:05,784 INFO L226 Difference]: Without dead ends: 5232 [2021-12-07 01:48:05,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:48:05,794 INFO L933 BasicCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22424 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:48:05,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 22424 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 01:48:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2021-12-07 01:48:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5232. [2021-12-07 01:48:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 3690 states have (on average 1.3468834688346885) internal successors, (4970), 3776 states have internal predecessors, (4970), 1261 states have call successors, (1261), 277 states have call predecessors, (1261), 280 states have return successors, (1277), 1245 states have call predecessors, (1277), 1260 states have call successors, (1277) [2021-12-07 01:48:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7508 transitions. [2021-12-07 01:48:05,937 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7508 transitions. Word has length 588 [2021-12-07 01:48:05,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:48:05,938 INFO L470 AbstractCegarLoop]: Abstraction has 5232 states and 7508 transitions. [2021-12-07 01:48:05,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-07 01:48:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7508 transitions. [2021-12-07 01:48:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-12-07 01:48:05,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:48:05,952 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:48:05,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:48:06,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:06,153 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:48:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:48:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash 869736515, now seen corresponding path program 1 times [2021-12-07 01:48:06,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:48:06,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829396419] [2021-12-07 01:48:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:06,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:48:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:48:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:48:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:48:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-07 01:48:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 01:48:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:48:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 01:48:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 01:48:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:48:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-07 01:48:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 01:48:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:48:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:48:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:48:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 01:48:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 01:48:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-07 01:48:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:48:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 01:48:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:48:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-07 01:48:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-07 01:48:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 01:48:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-07 01:48:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-07 01:48:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 01:48:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-07 01:48:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-07 01:48:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 01:48:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:48:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-07 01:48:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 01:48:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-07 01:48:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-07 01:48:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-07 01:48:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-07 01:48:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-07 01:48:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-07 01:48:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-07 01:48:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-07 01:48:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-07 01:48:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-07 01:48:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:48:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-07 01:48:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3153 trivial. 0 not checked. [2021-12-07 01:48:07,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:48:07,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829396419] [2021-12-07 01:48:07,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829396419] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:48:07,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257360994] [2021-12-07 01:48:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:48:07,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:48:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:48:07,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:48:07,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb925e0c-db0a-4a9e-ace1-7bf24d10e368/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:48:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:48:08,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 4864 conjuncts, 109 conjunts are in the unsatisfiable core [2021-12-07 01:48:08,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:48:08,428 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-12-07 01:48:08,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2021-12-07 01:48:09,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 01:48:09,205 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1947 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_1947))) is different from true [2021-12-07 01:48:09,221 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1947 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| v_ArrVal_1947))) is different from true [2021-12-07 01:48:09,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:48:09,346 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1948 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_1948))) is different from true [2021-12-07 01:48:09,359 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1948 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| v_ArrVal_1948))) is different from true [2021-12-07 01:48:09,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:48:09,447 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1949 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_1949))) is different from true [2021-12-07 01:48:09,458 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1949 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| v_ArrVal_1949))) is different from true [2021-12-07 01:48:09,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:48:09,532 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1950 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_1950))) is different from true [2021-12-07 01:48:09,546 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1950 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| v_ArrVal_1950))) is different from true [2021-12-07 01:48:09,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:48:09,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-07 01:48:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 16 proven. 584 refuted. 0 times theorem prover too weak. 2456 trivial. 108 not checked. [2021-12-07 01:48:09,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:48:10,005 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1956 (Array Int Int))) (<= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg43~0#1.base| v_ArrVal_1956) |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg40~0#1.base|) |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg40~0#1.offset|) 4294967296) 0)) is different from false [2021-12-07 01:48:10,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257360994] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:48:10,007 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:48:10,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 24] total 32 [2021-12-07 01:48:10,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315083344] [2021-12-07 01:48:10,008 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:48:10,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-07 01:48:10,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:48:10,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-07 01:48:10,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=589, Unknown=9, NotChecked=504, Total=1190 [2021-12-07 01:48:10,010 INFO L87 Difference]: Start difference. First operand 5232 states and 7508 transitions. Second operand has 32 states, 30 states have (on average 10.766666666666667) internal successors, (323), 27 states have internal predecessors, (323), 10 states have call successors, (102), 8 states have call predecessors, (102), 14 states have return successors, (100), 15 states have call predecessors, (100), 10 states have call successors, (100) [2021-12-07 01:48:28,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:48:37,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:48:41,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:48:49,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:21,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:23,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:25,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:27,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:29,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:30,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:32,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:34,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:36,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:38,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:40,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:42,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:44,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:46,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:48,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:53,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:49:55,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:11,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:13,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:15,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:17,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:19,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:21,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:23,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:29,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:31,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:33,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:36,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:38,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:40,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:42,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:44,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:45,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:47,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:49,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:51,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:53,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:50:55,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:13,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:15,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:17,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:19,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:21,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:23,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:26,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:28,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:30,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:32,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:34,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:37,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:40,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:51:50,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:02,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:05,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:26,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:28,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:32,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:34,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:36,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:40,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:47,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:52:49,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:02,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:07,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:09,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:10,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:26,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:28,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:30,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:32,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:34,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:37,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:45,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:53:58,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:00,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:02,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:04,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:06,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:08,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:10,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:12,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:14,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:16,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:54:18,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []