./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 08:18:16,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 08:18:16,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 08:18:17,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 08:18:17,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 08:18:17,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 08:18:17,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 08:18:17,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 08:18:17,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 08:18:17,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 08:18:17,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 08:18:17,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 08:18:17,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 08:18:17,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 08:18:17,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 08:18:17,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 08:18:17,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 08:18:17,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 08:18:17,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 08:18:17,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 08:18:17,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 08:18:17,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 08:18:17,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 08:18:17,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 08:18:17,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 08:18:17,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 08:18:17,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 08:18:17,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 08:18:17,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 08:18:17,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 08:18:17,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 08:18:17,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 08:18:17,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 08:18:17,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 08:18:17,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 08:18:17,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 08:18:17,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 08:18:17,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 08:18:17,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 08:18:17,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 08:18:17,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 08:18:17,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 08:18:17,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 08:18:17,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 08:18:17,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 08:18:17,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 08:18:17,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 08:18:17,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 08:18:17,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 08:18:17,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 08:18:17,095 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 08:18:17,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 08:18:17,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 08:18:17,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 08:18:17,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 08:18:17,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 08:18:17,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 08:18:17,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:18:17,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 08:18:17,098 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 08:18:17,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 08:18:17,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 08:18:17,099 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd [2021-11-17 08:18:17,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 08:18:17,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 08:18:17,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 08:18:17,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 08:18:17,309 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 08:18:17,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-17 08:18:17,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53da78df/cf5593d414fe41e48b3e6e2c2a13f79a/FLAG53d1c6161 [2021-11-17 08:18:18,085 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 08:18:18,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-17 08:18:18,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53da78df/cf5593d414fe41e48b3e6e2c2a13f79a/FLAG53d1c6161 [2021-11-17 08:18:18,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53da78df/cf5593d414fe41e48b3e6e2c2a13f79a [2021-11-17 08:18:18,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 08:18:18,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 08:18:18,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 08:18:18,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 08:18:18,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 08:18:18,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:18:18" (1/1) ... [2021-11-17 08:18:18,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd00587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:18, skipping insertion in model container [2021-11-17 08:18:18,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:18:18" (1/1) ... [2021-11-17 08:18:18,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 08:18:18,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 08:18:24,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2021-11-17 08:18:24,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2021-11-17 08:18:24,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2021-11-17 08:18:24,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2021-11-17 08:18:24,814 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:18:24,890 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 08:18:25,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2021-11-17 08:18:25,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2021-11-17 08:18:25,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2021-11-17 08:18:25,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2021-11-17 08:18:25,340 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:18:25,587 INFO L208 MainTranslator]: Completed translation [2021-11-17 08:18:25,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25 WrapperNode [2021-11-17 08:18:25,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 08:18:25,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 08:18:25,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 08:18:25,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 08:18:25,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:25,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,137 INFO L137 Inliner]: procedures = 726, calls = 8466, calls flagged for inlining = 400, calls inlined = 359, statements flattened = 16724 [2021-11-17 08:18:26,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 08:18:26,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 08:18:26,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 08:18:26,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 08:18:26,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 08:18:26,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 08:18:26,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 08:18:26,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 08:18:26,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (1/1) ... [2021-11-17 08:18:26,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:18:26,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:18:26,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 08:18:26,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 08:18:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 08:18:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 08:18:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-17 08:18:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-17 08:18:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-17 08:18:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-17 08:18:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-17 08:18:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-17 08:18:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-17 08:18:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-17 08:18:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 08:18:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 08:18:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-17 08:18:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-17 08:18:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 08:18:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 08:18:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 08:18:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 08:18:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 08:18:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 08:18:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-17 08:18:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-17 08:18:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-17 08:18:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-17 08:18:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 08:18:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 08:18:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-17 08:18:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-17 08:18:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-17 08:18:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-17 08:18:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 08:18:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 08:18:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-17 08:18:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-17 08:18:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-17 08:18:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-17 08:18:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 08:18:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 08:18:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-17 08:18:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-17 08:18:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-17 08:18:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-17 08:18:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 08:18:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 08:18:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-17 08:18:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-17 08:18:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-17 08:18:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-17 08:18:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 08:18:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 08:18:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 08:18:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 08:18:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 08:18:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 08:18:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-17 08:18:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-17 08:18:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-17 08:18:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-17 08:18:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-17 08:18:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-17 08:18:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-17 08:18:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-17 08:18:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-17 08:18:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-17 08:18:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 08:18:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 08:18:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-17 08:18:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-17 08:18:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-17 08:18:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-17 08:18:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-17 08:18:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-17 08:18:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-17 08:18:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-17 08:18:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 08:18:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 08:18:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 08:18:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 08:18:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 08:18:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 08:18:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 08:18:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 08:18:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 08:18:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 08:18:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 08:18:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 08:18:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 08:18:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 08:18:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 08:18:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 08:18:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-17 08:18:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-17 08:18:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-17 08:18:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-17 08:18:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 08:18:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 08:18:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 08:18:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 08:18:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-17 08:18:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-17 08:18:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 08:18:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 08:18:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-17 08:18:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 08:18:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 08:18:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 08:18:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 08:18:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 08:18:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-17 08:18:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-17 08:18:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 08:18:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-17 08:18:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 08:18:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 08:18:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 08:18:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 08:18:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 08:18:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 08:18:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 08:18:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 08:18:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-17 08:18:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-17 08:18:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-17 08:18:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-17 08:18:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 08:18:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 08:18:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-17 08:18:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-17 08:18:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 08:18:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 08:18:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 08:18:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 08:18:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-17 08:18:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-17 08:18:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-17 08:18:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-17 08:18:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-17 08:18:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-17 08:18:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-17 08:18:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-17 08:18:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 08:18:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 08:18:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-17 08:18:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-17 08:18:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 08:18:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 08:18:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 08:18:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 08:18:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 08:18:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 08:18:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-17 08:18:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-17 08:18:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 08:18:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 08:18:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 08:18:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-17 08:18:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 08:18:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 08:18:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 08:18:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-17 08:18:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-17 08:18:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 08:18:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 08:18:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 08:18:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 08:18:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 08:18:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 08:18:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 08:18:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 08:18:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 08:18:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 08:18:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 08:18:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-17 08:18:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-17 08:18:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-17 08:18:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-17 08:18:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 08:18:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 08:18:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 08:18:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 08:18:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 08:18:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 08:18:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-17 08:18:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-17 08:18:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 08:18:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 08:18:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-17 08:18:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-17 08:18:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-17 08:18:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-17 08:18:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-17 08:18:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-17 08:18:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-17 08:18:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-17 08:18:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 08:18:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 08:18:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 08:18:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 08:18:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-17 08:18:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-17 08:18:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-17 08:18:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-17 08:18:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 08:18:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 08:18:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 08:18:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 08:18:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 08:18:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-17 08:18:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-17 08:18:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-17 08:18:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-17 08:18:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-17 08:18:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-17 08:18:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 08:18:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 08:18:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-17 08:18:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-17 08:18:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 08:18:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 08:18:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-17 08:18:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-17 08:18:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-17 08:18:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-17 08:18:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 08:18:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-17 08:18:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-17 08:18:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-17 08:18:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-17 08:18:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-17 08:18:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-17 08:18:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-17 08:18:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-17 08:18:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-17 08:18:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-17 08:18:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-17 08:18:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-17 08:18:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-17 08:18:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-17 08:18:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 08:18:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-17 08:18:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-17 08:18:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-17 08:18:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-17 08:18:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 08:18:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 08:18:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 08:18:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 08:18:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-17 08:18:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-17 08:18:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-17 08:18:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-17 08:18:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 08:18:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 08:18:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-17 08:18:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-17 08:18:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 08:18:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 08:18:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 08:18:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 08:18:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-17 08:18:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-17 08:18:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 08:18:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 08:18:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-17 08:18:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-17 08:18:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 08:18:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 08:18:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-17 08:18:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 08:18:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-17 08:18:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 08:18:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-17 08:18:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-17 08:18:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-17 08:18:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-17 08:18:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-17 08:18:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 08:18:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 08:18:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-17 08:18:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-17 08:18:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 08:18:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 08:18:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 08:18:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 08:18:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 08:18:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 08:18:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 08:18:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 08:18:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-17 08:18:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-17 08:18:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-17 08:18:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-17 08:18:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 08:18:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 08:18:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-17 08:18:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-17 08:18:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-17 08:18:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-17 08:18:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-17 08:18:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-17 08:18:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 08:18:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 08:18:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-17 08:18:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-17 08:18:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-17 08:18:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 08:18:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-17 08:18:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-17 08:18:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-17 08:18:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-17 08:18:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 08:18:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 08:18:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-17 08:18:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-17 08:18:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-17 08:18:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-17 08:18:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 08:18:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 08:18:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 08:18:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 08:18:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 08:18:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 08:18:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-17 08:18:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-17 08:18:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 08:18:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 08:18:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 08:18:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 08:18:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-17 08:18:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-17 08:18:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-17 08:18:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-17 08:18:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-17 08:18:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-17 08:18:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-17 08:18:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-17 08:18:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 08:18:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 08:18:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 08:18:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 08:18:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-17 08:18:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-17 08:18:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 08:18:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 08:18:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 08:18:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 08:18:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 08:18:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 08:18:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 08:18:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 08:18:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 08:18:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 08:18:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 08:18:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 08:18:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 08:18:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 08:18:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 08:18:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-17 08:18:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-17 08:18:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-17 08:18:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-17 08:18:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 08:18:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 08:18:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 08:18:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 08:18:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-17 08:18:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-17 08:18:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-17 08:18:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-17 08:18:27,989 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 08:18:27,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 08:18:28,221 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 08:20:35,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 08:20:35,360 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 08:20:35,383 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 08:20:35,384 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-17 08:20:35,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:20:35 BoogieIcfgContainer [2021-11-17 08:20:35,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 08:20:35,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 08:20:35,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 08:20:35,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 08:20:35,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 08:18:18" (1/3) ... [2021-11-17 08:20:35,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c1ec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:20:35, skipping insertion in model container [2021-11-17 08:20:35,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:18:25" (2/3) ... [2021-11-17 08:20:35,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c1ec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:20:35, skipping insertion in model container [2021-11-17 08:20:35,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:20:35" (3/3) ... [2021-11-17 08:20:35,396 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-17 08:20:35,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 08:20:35,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-17 08:20:35,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 08:20:35,485 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 [2021-11-17 08:20:35,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-17 08:20:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 6005 states, 4181 states have (on average 1.3178665391054771) internal successors, (5510), 4254 states have internal predecessors, (5510), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) [2021-11-17 08:20:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-17 08:20:35,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:20:35,581 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:20:35,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:20:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:20:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash -953383907, now seen corresponding path program 1 times [2021-11-17 08:20:35,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:20:35,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442693167] [2021-11-17 08:20:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:20:35,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:20:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:20:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:20:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:20:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:20:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:20:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:20:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:20:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:20:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:20:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:20:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:20:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:20:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:20:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:20:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:20:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:20:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:20:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:20:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:20:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:20:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:20:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:20:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:20:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:20:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:20:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:20:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:20:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:20:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:20:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:20:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:20:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 08:20:36,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:20:36,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442693167] [2021-11-17 08:20:36,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442693167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:20:36,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:20:36,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:20:36,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010949457] [2021-11-17 08:20:36,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:20:36,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:20:36,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:20:36,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:20:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:20:36,973 INFO L87 Difference]: Start difference. First operand has 6005 states, 4181 states have (on average 1.3178665391054771) internal successors, (5510), 4254 states have internal predecessors, (5510), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 08:20:38,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:20:40,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:20:43,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:11,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:13,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:28,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:31,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:21:36,164 INFO L93 Difference]: Finished difference Result 18852 states and 27768 transitions. [2021-11-17 08:21:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:21:36,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2021-11-17 08:21:36,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:21:36,320 INFO L225 Difference]: With dead ends: 18852 [2021-11-17 08:21:36,320 INFO L226 Difference]: Without dead ends: 12892 [2021-11-17 08:21:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:21:36,389 INFO L933 BasicCegarLoop]: 9244 mSDtfsCounter, 12026 mSDsluCounter, 9815 mSDsCounter, 0 mSdLazyCounter, 5930 mSolverCounterSat, 5338 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13530 SdHoareTripleChecker+Valid, 19059 SdHoareTripleChecker+Invalid, 11274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5338 IncrementalHoareTripleChecker+Valid, 5930 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:21:36,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13530 Valid, 19059 Invalid, 11274 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5338 Valid, 5930 Invalid, 6 Unknown, 0 Unchecked, 57.7s Time] [2021-11-17 08:21:36,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2021-11-17 08:21:36,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 11729. [2021-11-17 08:21:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11729 states, 8178 states have (on average 1.313646368305209) internal successors, (10743), 8323 states have internal predecessors, (10743), 3060 states have call successors, (3060), 491 states have call predecessors, (3060), 489 states have return successors, (3057), 3036 states have call predecessors, (3057), 3057 states have call successors, (3057) [2021-11-17 08:21:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11729 states to 11729 states and 16860 transitions. [2021-11-17 08:21:37,062 INFO L78 Accepts]: Start accepts. Automaton has 11729 states and 16860 transitions. Word has length 324 [2021-11-17 08:21:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:21:37,065 INFO L470 AbstractCegarLoop]: Abstraction has 11729 states and 16860 transitions. [2021-11-17 08:21:37,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 08:21:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11729 states and 16860 transitions. [2021-11-17 08:21:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-17 08:21:37,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:21:37,078 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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] [2021-11-17 08:21:37,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 08:21:37,079 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:21:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:21:37,079 INFO L85 PathProgramCache]: Analyzing trace with hash -604053447, now seen corresponding path program 1 times [2021-11-17 08:21:37,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:21:37,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064496716] [2021-11-17 08:21:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:21:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:21:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:21:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:21:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:21:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:21:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:21:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:21:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:21:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:21:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:21:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:21:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:21:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:21:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:21:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:21:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:21:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:21:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:21:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:21:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:21:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:21:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:21:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:21:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:21:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:21:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:21:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:21:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:21:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:21:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:21:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:21:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:21:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:21:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 08:21:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:21:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-11-17 08:21:38,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:21:38,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064496716] [2021-11-17 08:21:38,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064496716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:21:38,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:21:38,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:21:38,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69863706] [2021-11-17 08:21:38,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:21:38,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:21:38,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:21:38,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:21:38,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:21:38,243 INFO L87 Difference]: Start difference. First operand 11729 states and 16860 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 08:21:40,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:42,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:21:45,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:15,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:17,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:34,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:38,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:22:38,216 INFO L93 Difference]: Finished difference Result 30852 states and 44743 transitions. [2021-11-17 08:22:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:22:38,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 358 [2021-11-17 08:22:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:22:38,331 INFO L225 Difference]: With dead ends: 30852 [2021-11-17 08:22:38,332 INFO L226 Difference]: Without dead ends: 19182 [2021-11-17 08:22:38,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:22:38,382 INFO L933 BasicCegarLoop]: 9263 mSDtfsCounter, 11904 mSDsluCounter, 9823 mSDsCounter, 0 mSdLazyCounter, 5945 mSolverCounterSat, 5314 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13398 SdHoareTripleChecker+Valid, 19086 SdHoareTripleChecker+Invalid, 11265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5314 IncrementalHoareTripleChecker+Valid, 5945 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.6s IncrementalHoareTripleChecker+Time [2021-11-17 08:22:38,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13398 Valid, 19086 Invalid, 11265 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5314 Valid, 5945 Invalid, 6 Unknown, 0 Unchecked, 58.6s Time] [2021-11-17 08:22:38,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19182 states. [2021-11-17 08:22:38,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19182 to 17430. [2021-11-17 08:22:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17430 states, 12162 states have (on average 1.3132708436112481) internal successors, (15972), 12383 states have internal predecessors, (15972), 4532 states have call successors, (4532), 737 states have call predecessors, (4532), 734 states have return successors, (4529), 4492 states have call predecessors, (4529), 4529 states have call successors, (4529) [2021-11-17 08:22:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17430 states to 17430 states and 25033 transitions. [2021-11-17 08:22:38,953 INFO L78 Accepts]: Start accepts. Automaton has 17430 states and 25033 transitions. Word has length 358 [2021-11-17 08:22:38,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:22:38,955 INFO L470 AbstractCegarLoop]: Abstraction has 17430 states and 25033 transitions. [2021-11-17 08:22:38,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 08:22:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 17430 states and 25033 transitions. [2021-11-17 08:22:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-17 08:22:38,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:22:38,967 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:22:38,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 08:22:38,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:22:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:22:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash 181656730, now seen corresponding path program 1 times [2021-11-17 08:22:38,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:22:38,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045909833] [2021-11-17 08:22:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:22:38,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:22:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:22:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:22:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:22:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:22:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:22:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:22:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:22:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:22:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:22:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:22:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:22:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:22:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:22:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:22:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:22:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:22:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:22:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:22:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:22:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:22:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:22:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:22:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:22:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:22:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:22:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:22:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:22:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:22:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:22:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 08:22:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:22:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:22:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:22:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 08:22:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:22:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2021-11-17 08:22:39,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:22:39,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045909833] [2021-11-17 08:22:39,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045909833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:22:39,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:22:39,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:22:39,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644387496] [2021-11-17 08:22:39,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:22:39,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:22:39,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:22:39,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:22:39,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:22:39,900 INFO L87 Difference]: Start difference. First operand 17430 states and 25033 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 08:22:41,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:44,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:50,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:22:52,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:06,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:08,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:18,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:41,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:24:52,246 INFO L93 Difference]: Finished difference Result 50357 states and 73396 transitions. [2021-11-17 08:24:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:24:52,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 369 [2021-11-17 08:24:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:24:52,485 INFO L225 Difference]: With dead ends: 50357 [2021-11-17 08:24:52,486 INFO L226 Difference]: Without dead ends: 32986 [2021-11-17 08:24:52,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:24:52,558 INFO L933 BasicCegarLoop]: 8784 mSDtfsCounter, 12408 mSDsluCounter, 10923 mSDsCounter, 0 mSdLazyCounter, 12306 mSolverCounterSat, 5902 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13977 SdHoareTripleChecker+Valid, 19707 SdHoareTripleChecker+Invalid, 18216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5902 IncrementalHoareTripleChecker+Valid, 12306 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:24:52,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13977 Valid, 19707 Invalid, 18216 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5902 Valid, 12306 Invalid, 8 Unknown, 0 Unchecked, 129.5s Time] [2021-11-17 08:24:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32986 states. [2021-11-17 08:24:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32986 to 28494. [2021-11-17 08:24:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28494 states, 19918 states have (on average 1.3132342604679184) internal successors, (26157), 20291 states have internal predecessors, (26157), 7365 states have call successors, (7365), 1216 states have call predecessors, (7365), 1209 states have return successors, (7362), 7291 states have call predecessors, (7362), 7362 states have call successors, (7362) [2021-11-17 08:24:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28494 states to 28494 states and 40884 transitions. [2021-11-17 08:24:54,023 INFO L78 Accepts]: Start accepts. Automaton has 28494 states and 40884 transitions. Word has length 369 [2021-11-17 08:24:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:24:54,026 INFO L470 AbstractCegarLoop]: Abstraction has 28494 states and 40884 transitions. [2021-11-17 08:24:54,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 08:24:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 28494 states and 40884 transitions. [2021-11-17 08:24:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-17 08:24:54,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:24:54,041 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 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] [2021-11-17 08:24:54,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 08:24:54,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:24:54,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:24:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash -882427892, now seen corresponding path program 1 times [2021-11-17 08:24:54,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:24:54,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885935674] [2021-11-17 08:24:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:24:54,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:24:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:24:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:24:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:24:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:24:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:24:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:24:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:24:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:24:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:24:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:24:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:24:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:24:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:24:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:24:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:24:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:24:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:24:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:24:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:24:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:24:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:24:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:24:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:24:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:24:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:24:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:24:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:24:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:24:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:24:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:24:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:24:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:24:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:24:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:24:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:24:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 08:24:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:24:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2021-11-17 08:24:54,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:24:54,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885935674] [2021-11-17 08:24:54,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885935674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:24:54,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:24:54,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:24:54,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285836221] [2021-11-17 08:24:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:24:54,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:24:54,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:24:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:24:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:24:54,739 INFO L87 Difference]: Start difference. First operand 28494 states and 40884 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:24:56,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:24:58,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:03,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:39,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:41,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:47,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:49,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:25:59,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:05,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:26:05,054 INFO L93 Difference]: Finished difference Result 79236 states and 114864 transitions. [2021-11-17 08:26:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:26:05,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 380 [2021-11-17 08:26:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:26:05,357 INFO L225 Difference]: With dead ends: 79236 [2021-11-17 08:26:05,357 INFO L226 Difference]: Without dead ends: 56321 [2021-11-17 08:26:05,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:26:05,461 INFO L933 BasicCegarLoop]: 15848 mSDtfsCounter, 9503 mSDsluCounter, 12769 mSDsCounter, 0 mSdLazyCounter, 6165 mSolverCounterSat, 3745 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10997 SdHoareTripleChecker+Valid, 28617 SdHoareTripleChecker+Invalid, 9918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3745 IncrementalHoareTripleChecker+Valid, 6165 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:26:05,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10997 Valid, 28617 Invalid, 9918 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3745 Valid, 6165 Invalid, 8 Unknown, 0 Unchecked, 67.8s Time] [2021-11-17 08:26:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56321 states. [2021-11-17 08:26:07,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56321 to 51098. [2021-11-17 08:26:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51098 states, 35740 states have (on average 1.313905987688864) internal successors, (46959), 36397 states have internal predecessors, (46959), 13187 states have call successors, (13187), 2180 states have call predecessors, (13187), 2169 states have return successors, (13184), 13069 states have call predecessors, (13184), 13184 states have call successors, (13184) [2021-11-17 08:26:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51098 states to 51098 states and 73330 transitions. [2021-11-17 08:26:07,751 INFO L78 Accepts]: Start accepts. Automaton has 51098 states and 73330 transitions. Word has length 380 [2021-11-17 08:26:07,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:26:07,752 INFO L470 AbstractCegarLoop]: Abstraction has 51098 states and 73330 transitions. [2021-11-17 08:26:07,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:26:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 51098 states and 73330 transitions. [2021-11-17 08:26:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-17 08:26:07,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:26:07,768 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 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] [2021-11-17 08:26:07,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 08:26:07,768 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:26:07,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:26:07,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1016441398, now seen corresponding path program 1 times [2021-11-17 08:26:07,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:26:07,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164661346] [2021-11-17 08:26:07,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:26:07,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:26:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:26:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:26:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:26:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:26:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:26:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:26:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:26:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:26:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:26:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:26:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:26:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:26:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:26:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:26:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:26:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:26:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:26:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:26:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:26:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:26:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:26:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:26:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:26:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:26:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:26:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:26:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:26:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:26:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:26:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:26:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:26:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:26:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:26:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:26:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:26:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 08:26:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:26:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2021-11-17 08:26:08,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:26:08,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164661346] [2021-11-17 08:26:08,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164661346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:26:08,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:26:08,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:26:08,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857012327] [2021-11-17 08:26:08,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:26:08,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:26:08,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:26:08,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:26:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:26:08,941 INFO L87 Difference]: Start difference. First operand 51098 states and 73330 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 08:26:11,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:15,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:43,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:46,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:53,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:26:58,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:26:58,621 INFO L93 Difference]: Finished difference Result 56419 states and 82092 transitions. [2021-11-17 08:26:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 08:26:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 380 [2021-11-17 08:26:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:26:58,943 INFO L225 Difference]: With dead ends: 56419 [2021-11-17 08:26:58,943 INFO L226 Difference]: Without dead ends: 56364 [2021-11-17 08:26:59,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:26:59,001 INFO L933 BasicCegarLoop]: 8151 mSDtfsCounter, 9593 mSDsluCounter, 9915 mSDsCounter, 0 mSdLazyCounter, 4445 mSolverCounterSat, 3667 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10551 SdHoareTripleChecker+Valid, 18066 SdHoareTripleChecker+Invalid, 8117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3667 IncrementalHoareTripleChecker+Valid, 4445 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:26:59,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10551 Valid, 18066 Invalid, 8117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3667 Valid, 4445 Invalid, 5 Unknown, 0 Unchecked, 47.2s Time] [2021-11-17 08:26:59,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56364 states. [2021-11-17 08:27:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56364 to 51144. [2021-11-17 08:27:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51144 states, 35771 states have (on average 1.3133264376170641) internal successors, (46979), 36416 states have internal predecessors, (46979), 13197 states have call successors, (13197), 2183 states have call predecessors, (13197), 2175 states have return successors, (13197), 13093 states have call predecessors, (13197), 13197 states have call successors, (13197) [2021-11-17 08:27:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51144 states to 51144 states and 73373 transitions. [2021-11-17 08:27:01,439 INFO L78 Accepts]: Start accepts. Automaton has 51144 states and 73373 transitions. Word has length 380 [2021-11-17 08:27:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:27:01,439 INFO L470 AbstractCegarLoop]: Abstraction has 51144 states and 73373 transitions. [2021-11-17 08:27:01,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 08:27:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 51144 states and 73373 transitions. [2021-11-17 08:27:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-17 08:27:01,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:27:01,504 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:27:01,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:27:01,504 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:27:01,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:27:01,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1953542060, now seen corresponding path program 1 times [2021-11-17 08:27:01,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:27:01,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323804463] [2021-11-17 08:27:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:27:01,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:27:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:27:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:27:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:27:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:27:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:27:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:27:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:27:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:27:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:27:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:27:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:27:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:27:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:27:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:27:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:27:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:27:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:27:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:27:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:27:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:27:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:27:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:27:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:27:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:27:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:27:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:27:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:27:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:27:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:27:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:27:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:27:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:27:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:27:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:27:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:27:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 08:27:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 08:27:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:27:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:27:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:27:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 08:27:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:27:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2021-11-17 08:27:02,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:27:02,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323804463] [2021-11-17 08:27:02,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323804463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:27:02,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:27:02,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:27:02,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930740287] [2021-11-17 08:27:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:27:02,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:27:02,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:27:02,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:27:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:27:02,527 INFO L87 Difference]: Start difference. First operand 51144 states and 73373 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 08:27:04,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:27:05,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:27:10,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:27:50,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:27:52,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:28:10,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:28:10,237 INFO L93 Difference]: Finished difference Result 126860 states and 183664 transitions. [2021-11-17 08:28:10,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:28:10,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 434 [2021-11-17 08:28:10,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:28:10,841 INFO L225 Difference]: With dead ends: 126860 [2021-11-17 08:28:10,841 INFO L226 Difference]: Without dead ends: 75163 [2021-11-17 08:28:11,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:28:11,089 INFO L933 BasicCegarLoop]: 15979 mSDtfsCounter, 9466 mSDsluCounter, 12855 mSDsCounter, 0 mSdLazyCounter, 6147 mSolverCounterSat, 3695 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10958 SdHoareTripleChecker+Valid, 28834 SdHoareTripleChecker+Invalid, 9846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3695 IncrementalHoareTripleChecker+Valid, 6147 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:28:11,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10958 Valid, 28834 Invalid, 9846 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3695 Valid, 6147 Invalid, 4 Unknown, 0 Unchecked, 63.2s Time] [2021-11-17 08:28:11,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75163 states. [2021-11-17 08:28:13,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75163 to 68200. [2021-11-17 08:28:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68200 states, 47698 states have (on average 1.3137657763428237) internal successors, (62664), 48556 states have internal predecessors, (62664), 17601 states have call successors, (17601), 2911 states have call predecessors, (17601), 2900 states have return successors, (17601), 17464 states have call predecessors, (17601), 17601 states have call successors, (17601) [2021-11-17 08:28:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68200 states to 68200 states and 97866 transitions. [2021-11-17 08:28:14,278 INFO L78 Accepts]: Start accepts. Automaton has 68200 states and 97866 transitions. Word has length 434 [2021-11-17 08:28:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:28:14,279 INFO L470 AbstractCegarLoop]: Abstraction has 68200 states and 97866 transitions. [2021-11-17 08:28:14,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 08:28:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68200 states and 97866 transitions. [2021-11-17 08:28:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-17 08:28:14,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:28:14,413 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 28, 28, 28, 28, 28, 28, 5, 5, 5, 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] [2021-11-17 08:28:14,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:28:14,413 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:28:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:28:14,414 INFO L85 PathProgramCache]: Analyzing trace with hash 2010704330, now seen corresponding path program 1 times [2021-11-17 08:28:14,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:28:14,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485484120] [2021-11-17 08:28:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:28:14,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:28:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:28:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:28:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:28:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:28:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:28:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:28:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:28:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:28:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:28:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:28:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:28:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:28:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:28:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:28:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:28:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:28:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:28:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:28:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:28:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:28:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:28:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:28:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:28:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:28:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:28:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:28:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:28:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:28:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:28:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:28:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:28:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 08:28:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 08:28:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 08:28:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 08:28:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 08:28:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 08:28:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:28:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:28:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:28:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 08:28:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:28:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3895 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2021-11-17 08:28:15,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:28:15,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485484120] [2021-11-17 08:28:15,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485484120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:28:15,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:28:15,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:28:15,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804589525] [2021-11-17 08:28:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:28:15,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:28:15,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:28:15,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:28:15,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:28:15,780 INFO L87 Difference]: Start difference. First operand 68200 states and 97866 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 08:28:17,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:28:19,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:28:27,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:28:29,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:28:31,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:29:01,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:29:03,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:29:05,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:12,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:15,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:28,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:31,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:33,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:42,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:30:56,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:31:17,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:31:17,170 INFO L93 Difference]: Finished difference Result 180417 states and 262751 transitions. [2021-11-17 08:31:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:31:17,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 433 [2021-11-17 08:31:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:31:18,190 INFO L225 Difference]: With dead ends: 180417 [2021-11-17 08:31:18,190 INFO L226 Difference]: Without dead ends: 117796 [2021-11-17 08:31:18,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:31:18,449 INFO L933 BasicCegarLoop]: 14792 mSDtfsCounter, 9720 mSDsluCounter, 14754 mSDsCounter, 0 mSdLazyCounter, 15687 mSolverCounterSat, 4244 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 164.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11283 SdHoareTripleChecker+Valid, 29546 SdHoareTripleChecker+Invalid, 19944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 4244 IncrementalHoareTripleChecker+Valid, 15687 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:31:18,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11283 Valid, 29546 Invalid, 19944 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [4244 Valid, 15687 Invalid, 13 Unknown, 0 Unchecked, 174.5s Time] [2021-11-17 08:31:18,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117796 states. [2021-11-17 08:31:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117796 to 101663. [2021-11-17 08:31:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101663 states, 71144 states have (on average 1.3138423479140897) internal successors, (93472), 72432 states have internal predecessors, (93472), 26187 states have call successors, (26187), 4348 states have call predecessors, (26187), 4331 states have return successors, (26187), 25980 states have call predecessors, (26187), 26187 states have call successors, (26187) [2021-11-17 08:31:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101663 states to 101663 states and 145846 transitions. [2021-11-17 08:31:24,085 INFO L78 Accepts]: Start accepts. Automaton has 101663 states and 145846 transitions. Word has length 433 [2021-11-17 08:31:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:31:24,086 INFO L470 AbstractCegarLoop]: Abstraction has 101663 states and 145846 transitions. [2021-11-17 08:31:24,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 08:31:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 101663 states and 145846 transitions. [2021-11-17 08:31:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-17 08:31:24,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:31:24,145 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 27, 27, 27, 27, 27, 27, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 08:31:24,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:31:24,146 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 08:31:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:31:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash -356474077, now seen corresponding path program 1 times [2021-11-17 08:31:24,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:31:24,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992845210] [2021-11-17 08:31:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:31:24,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:31:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:31:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:31:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:31:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:31:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:31:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:31:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:31:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:31:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:31:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:31:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:31:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:31:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:31:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:31:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:31:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:31:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:31:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:31:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:31:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:31:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:31:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:31:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:31:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:31:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:31:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:31:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:31:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:31:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:31:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:31:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:31:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:31:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:31:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:31:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 08:31:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 08:31:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:31:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 08:31:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 08:31:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 08:31:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:31:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:31:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:31:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 08:31:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:31:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3910 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3882 trivial. 0 not checked. [2021-11-17 08:31:25,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:31:25,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992845210] [2021-11-17 08:31:25,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992845210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:31:25,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:31:25,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:31:25,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969027032] [2021-11-17 08:31:25,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:31:25,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:31:25,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:31:25,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:31:25,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:31:25,297 INFO L87 Difference]: Start difference. First operand 101663 states and 145846 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 08:31:27,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:31:32,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:32:12,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:32:14,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15