./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-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-marvell-sky2.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 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:03:12,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:03:12,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:03:12,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:03:12,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:03:12,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:03:12,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:03:12,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:03:12,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:03:12,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:03:12,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:03:12,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:03:12,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:03:12,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:03:12,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:03:12,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:03:12,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:03:12,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:03:12,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:03:12,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:03:12,559 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:03:12,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:03:12,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:03:12,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:03:12,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:03:12,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:03:12,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:03:12,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:03:12,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:03:12,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:03:12,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:03:12,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:03:12,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:03:12,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:03:12,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:03:12,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:03:12,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:03:12,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:03:12,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:03:12,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:03:12,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:03:12,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:03:12,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:03:12,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:03:12,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:03:12,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:03:12,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:03:12,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:03:12,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:03:12,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:03:12,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:03:12,616 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:03:12,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:03:12,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:03:12,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:03:12,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:03:12,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:03:12,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:03:12,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:03:12,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:03:12,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:03:12,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:03:12,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444a46b967cbf28ff66594f7c2b86075c66a3ec06686446169e50e8f0716b901 [2022-07-21 14:03:12,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:03:12,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:03:12,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:03:12,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:03:12,997 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:03:12,999 INFO L432 ainManager$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-marvell-sky2.cil.i [2022-07-21 14:03:13,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c635a87f4/8ce93d26ebfb4dbea756547aac0e1c6d/FLAG4823712db [2022-07-21 14:03:13,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:03:13,876 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-marvell-sky2.cil.i [2022-07-21 14:03:13,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c635a87f4/8ce93d26ebfb4dbea756547aac0e1c6d/FLAG4823712db [2022-07-21 14:03:14,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c635a87f4/8ce93d26ebfb4dbea756547aac0e1c6d [2022-07-21 14:03:14,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:03:14,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:03:14,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:03:14,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:03:14,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:03:14,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:03:14" (1/1) ... [2022-07-21 14:03:14,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fb8e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:14, skipping insertion in model container [2022-07-21 14:03:14,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:03:14" (1/1) ... [2022-07-21 14:03:14,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:03:14,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:03:18,469 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-marvell-sky2.cil.i[558285,558298] [2022-07-21 14:03:18,472 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-marvell-sky2.cil.i[558432,558445] [2022-07-21 14:03:18,472 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-marvell-sky2.cil.i[558571,558584] [2022-07-21 14:03:18,473 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-marvell-sky2.cil.i[558729,558742] [2022-07-21 14:03:18,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:03:18,559 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:03:19,078 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-marvell-sky2.cil.i[558285,558298] [2022-07-21 14:03:19,078 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-marvell-sky2.cil.i[558432,558445] [2022-07-21 14:03:19,079 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-marvell-sky2.cil.i[558571,558584] [2022-07-21 14:03:19,079 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-marvell-sky2.cil.i[558729,558742] [2022-07-21 14:03:19,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:03:19,329 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:03:19,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19 WrapperNode [2022-07-21 14:03:19,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:03:19,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:03:19,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:03:19,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:03:19,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,697 INFO L137 Inliner]: procedures = 710, calls = 5470, calls flagged for inlining = 409, calls inlined = 365, statements flattened = 11651 [2022-07-21 14:03:19,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:03:19,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:03:19,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:03:19,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:03:19,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:19,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:20,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:20,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:20,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:03:20,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:03:20,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:03:20,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:03:20,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (1/1) ... [2022-07-21 14:03:20,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:03:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:03:20,262 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) [2022-07-21 14:03:20,267 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 [2022-07-21 14:03:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:03:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:03:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:03:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:03:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 14:03:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 14:03:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:03:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:03:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-21 14:03:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-21 14:03:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-21 14:03:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-21 14:03:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:03:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:03:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-21 14:03:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-21 14:03:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-21 14:03:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-21 14:03:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:03:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:03:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-21 14:03:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-21 14:03:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-21 14:03:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-21 14:03:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-21 14:03:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-21 14:03:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:03:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:03:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-21 14:03:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-21 14:03:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:03:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:03:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-21 14:03:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-21 14:03:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-21 14:03:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-21 14:03:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:03:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:03:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-21 14:03:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-21 14:03:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-21 14:03:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-21 14:03:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-21 14:03:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-21 14:03:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-21 14:03:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-21 14:03:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-21 14:03:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-21 14:03:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:03:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:03:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:03:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:03:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:03:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:03:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-21 14:03:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-21 14:03:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:03:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:03:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-21 14:03:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-21 14:03:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:03:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:03:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-21 14:03:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-21 14:03:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:03:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:03:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 14:03:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 14:03:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-21 14:03:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-21 14:03:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:03:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:03:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:03:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-21 14:03:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-21 14:03:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-21 14:03:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-21 14:03:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 14:03:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 14:03:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:03:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:03:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-21 14:03:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-21 14:03:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-21 14:03:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-21 14:03:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:03:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:03:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:03:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:03:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-21 14:03:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-21 14:03:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-21 14:03:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-21 14:03:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 14:03:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 14:03:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:03:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:03:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:03:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:03:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:03:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:03:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:03:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:03:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-21 14:03:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-21 14:03:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:03:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:03:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:03:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-21 14:03:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-21 14:03:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:03:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:03:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-21 14:03:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-21 14:03:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:03:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:03:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 14:03:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 14:03:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:03:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:03:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-21 14:03:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-21 14:03:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:03:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:03:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-21 14:03:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-21 14:03:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 14:03:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 14:03:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-21 14:03:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-21 14:03:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:03:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:03:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-21 14:03:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-21 14:03:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:03:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:03:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-21 14:03:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-21 14:03:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 14:03:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 14:03:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:03:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:03:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:03:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:03:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:03:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-21 14:03:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-21 14:03:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-21 14:03:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-21 14:03:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:03:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:03:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-21 14:03:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-21 14:03:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-21 14:03:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-21 14:03:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:03:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:03:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:03:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-21 14:03:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-21 14:03:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-21 14:03:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-21 14:03:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-21 14:03:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-21 14:03:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-21 14:03:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-21 14:03:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:03:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:03:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:03:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:03:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:03:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:03:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:03:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:03:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-21 14:03:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-21 14:03:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:03:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:03:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-21 14:03:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-21 14:03:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 14:03:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 14:03:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-21 14:03:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-21 14:03:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-21 14:03:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-21 14:03:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-21 14:03:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-21 14:03:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-21 14:03:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-21 14:03:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:03:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:03:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 14:03:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 14:03:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:03:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:03:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-21 14:03:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-21 14:03:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-21 14:03:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-21 14:03:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:03:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:03:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-21 14:03:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-21 14:03:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-21 14:03:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-21 14:03:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 14:03:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 14:03:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:03:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:03:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-21 14:03:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-21 14:03:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:03:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:03:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-21 14:03:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-21 14:03:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:03:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:03:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 14:03:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-21 14:03:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-21 14:03:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:03:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:03:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:03:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:03:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-21 14:03:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-21 14:03:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:03:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:03:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 14:03:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 14:03:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-21 14:03:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-21 14:03:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-21 14:03:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-21 14:03:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 14:03:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 14:03:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-21 14:03:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-21 14:03:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:03:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:03:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-21 14:03:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-21 14:03:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-21 14:03:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-21 14:03:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-21 14:03:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-21 14:03:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:03:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-21 14:03:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-21 14:03:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:03:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:03:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:03:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:03:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-21 14:03:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-21 14:03:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-21 14:03:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-21 14:03:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-21 14:03:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-21 14:03:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:03:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:03:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-21 14:03:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-21 14:03:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-21 14:03:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-21 14:03:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-21 14:03:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-21 14:03:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-21 14:03:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-21 14:03:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:03:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:03:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-21 14:03:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-21 14:03:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 14:03:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 14:03:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 14:03:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 14:03:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:03:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:03:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 14:03:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 14:03:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:03:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:03:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 14:03:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 14:03:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-21 14:03:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-21 14:03:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 14:03:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 14:03:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 14:03:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 14:03:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-21 14:03:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-21 14:03:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-21 14:03:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-21 14:03:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-21 14:03:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-21 14:03:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-21 14:03:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-21 14:03:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:03:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:03:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 14:03:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 14:03:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:03:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:03:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:03:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:03:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:03:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-21 14:03:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-21 14:03:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:03:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 14:03:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 14:03:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:03:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:03:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-21 14:03:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-21 14:03:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 14:03:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 14:03:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 14:03:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 14:03:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-21 14:03:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-21 14:03:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:03:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:03:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 14:03:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 14:03:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:03:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:03:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-21 14:03:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-21 14:03:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-21 14:03:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-21 14:03:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:03:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:03:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-21 14:03:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-21 14:03:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:03:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:03:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-21 14:03:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-21 14:03:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-21 14:03:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-21 14:03:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-21 14:03:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-21 14:03:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-21 14:03:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-21 14:03:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 14:03:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 14:03:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-21 14:03:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-21 14:03:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:03:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:03:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 14:03:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 14:03:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-21 14:03:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-21 14:03:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-21 14:03:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-21 14:03:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 14:03:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 14:03:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-21 14:03:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-21 14:03:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-21 14:03:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-21 14:03:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-21 14:03:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-21 14:03:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:03:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:03:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:03:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:03:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:03:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-21 14:03:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-21 14:03:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 14:03:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 14:03:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:03:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:03:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:03:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:03:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-21 14:03:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-21 14:03:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-21 14:03:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-21 14:03:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:03:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:03:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-21 14:03:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-21 14:03:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-21 14:03:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-21 14:03:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:03:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:03:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:03:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:03:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-21 14:03:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-21 14:03:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-21 14:03:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-21 14:03:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:03:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:03:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 14:03:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 14:03:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-21 14:03:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-21 14:03:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:03:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:03:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-21 14:03:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-21 14:03:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-21 14:03:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-21 14:03:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:03:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:03:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:03:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:03:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 14:03:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-21 14:03:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-21 14:03:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-21 14:03:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:03:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:03:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:03:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:03:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-21 14:03:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-21 14:03:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 14:03:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-21 14:03:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-21 14:03:21,414 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:03:21,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:03:21,507 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:03:32,193 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:03:39,272 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:03:39,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:03:39,293 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-21 14:03:39,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:03:39 BoogieIcfgContainer [2022-07-21 14:03:39,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:03:39,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:03:39,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:03:39,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:03:39,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:03:14" (1/3) ... [2022-07-21 14:03:39,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73465e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:03:39, skipping insertion in model container [2022-07-21 14:03:39,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:19" (2/3) ... [2022-07-21 14:03:39,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73465e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:03:39, skipping insertion in model container [2022-07-21 14:03:39,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:03:39" (3/3) ... [2022-07-21 14:03:39,304 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-21 14:03:39,312 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:03:39,313 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:03:39,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:03:39,411 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1598cc8f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f24802d [2022-07-21 14:03:39,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:03:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 4490 states, 3061 states have (on average 1.3250571708591963) internal successors, (4056), 3141 states have internal predecessors, (4056), 1217 states have call successors, (1217), 212 states have call predecessors, (1217), 211 states have return successors, (1207), 1182 states have call predecessors, (1207), 1207 states have call successors, (1207) [2022-07-21 14:03:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-21 14:03:39,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:39,456 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:39,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:39,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1375877424, now seen corresponding path program 1 times [2022-07-21 14:03:39,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:03:39,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008223220] [2022-07-21 14:03:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:39,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:03:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:03:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:03:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:03:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:03:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:03:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:03:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:03:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:03:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:03:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:03:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:03:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:03:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:03:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:03:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:03:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:03:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:03:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:03:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:03:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:03:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:03:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:03:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:03:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:03:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:03:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:03:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:03:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:03:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:03:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:03:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:03:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:03:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:03:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 14:03:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 14:03:40,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:03:40,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008223220] [2022-07-21 14:03:40,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008223220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:40,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:40,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:03:40,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809713537] [2022-07-21 14:03:40,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:03:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:03:40,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:03:40,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:03:40,678 INFO L87 Difference]: Start difference. First operand has 4490 states, 3061 states have (on average 1.3250571708591963) internal successors, (4056), 3141 states have internal predecessors, (4056), 1217 states have call successors, (1217), 212 states have call predecessors, (1217), 211 states have return successors, (1207), 1182 states have call predecessors, (1207), 1207 states have call successors, (1207) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 14:03:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:03:51,663 INFO L93 Difference]: Finished difference Result 13640 states and 20140 transitions. [2022-07-21 14:03:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:03:51,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 381 [2022-07-21 14:03:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:03:51,743 INFO L225 Difference]: With dead ends: 13640 [2022-07-21 14:03:51,743 INFO L226 Difference]: Without dead ends: 9202 [2022-07-21 14:03:51,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:03:51,777 INFO L413 NwaCegarLoop]: 6571 mSDtfsCounter, 8047 mSDsluCounter, 6087 mSDsCounter, 0 mSdLazyCounter, 5285 mSolverCounterSat, 4100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9181 SdHoareTripleChecker+Valid, 12658 SdHoareTripleChecker+Invalid, 9385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4100 IncrementalHoareTripleChecker+Valid, 5285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:03:51,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9181 Valid, 12658 Invalid, 9385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4100 Valid, 5285 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-21 14:03:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2022-07-21 14:03:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 8662. [2022-07-21 14:03:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8662 states, 5891 states have (on average 1.2855202851807843) internal successors, (7573), 6050 states have internal predecessors, (7573), 2350 states have call successors, (2350), 420 states have call predecessors, (2350), 419 states have return successors, (2347), 2297 states have call predecessors, (2347), 2347 states have call successors, (2347) [2022-07-21 14:03:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12270 transitions. [2022-07-21 14:03:52,202 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12270 transitions. Word has length 381 [2022-07-21 14:03:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:03:52,206 INFO L495 AbstractCegarLoop]: Abstraction has 8662 states and 12270 transitions. [2022-07-21 14:03:52,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 14:03:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12270 transitions. [2022-07-21 14:03:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-21 14:03:52,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:52,220 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:52,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:03:52,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:52,221 INFO L85 PathProgramCache]: Analyzing trace with hash 974152498, now seen corresponding path program 1 times [2022-07-21 14:03:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:03:52,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393358725] [2022-07-21 14:03:52,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:03:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:03:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:03:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:03:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:03:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:03:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:03:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:03:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:03:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:03:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:03:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:03:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:03:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:03:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:03:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:03:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:03:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:03:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:03:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:03:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:03:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:03:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:03:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:03:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:03:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:03:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:03:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:03:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:03:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:03:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:03:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:03:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:03:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:03:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:52,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:03:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 14:03:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 14:03:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 14:03:53,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:03:53,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393358725] [2022-07-21 14:03:53,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393358725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:53,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:53,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:03:53,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049771132] [2022-07-21 14:03:53,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:53,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:03:53,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:03:53,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:03:53,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:03:53,023 INFO L87 Difference]: Start difference. First operand 8662 states and 12270 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:04:04,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:04:05,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:05,581 INFO L93 Difference]: Finished difference Result 21627 states and 30828 transitions. [2022-07-21 14:04:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:04:05,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 402 [2022-07-21 14:04:05,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:05,659 INFO L225 Difference]: With dead ends: 21627 [2022-07-21 14:04:05,659 INFO L226 Difference]: Without dead ends: 13034 [2022-07-21 14:04:05,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:05,696 INFO L413 NwaCegarLoop]: 6505 mSDtfsCounter, 7535 mSDsluCounter, 6109 mSDsCounter, 0 mSdLazyCounter, 5214 mSolverCounterSat, 3980 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8585 SdHoareTripleChecker+Valid, 12614 SdHoareTripleChecker+Invalid, 9195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3980 IncrementalHoareTripleChecker+Valid, 5214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:05,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8585 Valid, 12614 Invalid, 9195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3980 Valid, 5214 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-07-21 14:04:05,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13034 states. [2022-07-21 14:04:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13034 to 12228. [2022-07-21 14:04:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12228 states, 8309 states have (on average 1.2827055000601757) internal successors, (10658), 8532 states have internal predecessors, (10658), 3305 states have call successors, (3305), 614 states have call predecessors, (3305), 612 states have return successors, (3302), 3224 states have call predecessors, (3302), 3302 states have call successors, (3302) [2022-07-21 14:04:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 17265 transitions. [2022-07-21 14:04:06,281 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 17265 transitions. Word has length 402 [2022-07-21 14:04:06,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:06,282 INFO L495 AbstractCegarLoop]: Abstraction has 12228 states and 17265 transitions. [2022-07-21 14:04:06,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:04:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 17265 transitions. [2022-07-21 14:04:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-21 14:04:06,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:06,292 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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] [2022-07-21 14:04:06,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:04:06,293 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:06,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:06,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1668387570, now seen corresponding path program 1 times [2022-07-21 14:04:06,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:04:06,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868954817] [2022-07-21 14:04:06,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:06,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:04:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:04:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:04:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:04:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:04:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:04:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:04:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:04:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:04:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:04:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:04:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:04:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:04:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:04:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:04:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:04:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:04:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:04:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:04:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:04:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:04:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:04:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:04:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:04:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:04:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:04:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:04:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:04:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:04:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:04:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:04:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:04:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:04:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:04:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 14:04:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:04:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:04:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 14:04:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-21 14:04:07,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:04:07,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868954817] [2022-07-21 14:04:07,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868954817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:07,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:07,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:04:07,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136410666] [2022-07-21 14:04:07,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:07,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:04:07,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:04:07,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:04:07,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:04:07,070 INFO L87 Difference]: Start difference. First operand 12228 states and 17265 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-21 14:04:16,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:16,821 INFO L93 Difference]: Finished difference Result 33833 states and 48121 transitions. [2022-07-21 14:04:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:04:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 415 [2022-07-21 14:04:16,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:16,935 INFO L225 Difference]: With dead ends: 33833 [2022-07-21 14:04:16,935 INFO L226 Difference]: Without dead ends: 21674 [2022-07-21 14:04:16,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:16,987 INFO L413 NwaCegarLoop]: 6546 mSDtfsCounter, 7989 mSDsluCounter, 6106 mSDsCounter, 0 mSdLazyCounter, 5300 mSolverCounterSat, 4098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9119 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 9398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 5300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:16,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9119 Valid, 12652 Invalid, 9398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4098 Valid, 5300 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-07-21 14:04:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21674 states. [2022-07-21 14:04:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21674 to 20328. [2022-07-21 14:04:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20328 states, 13818 states have (on average 1.2817339701838182) internal successors, (17711), 14199 states have internal predecessors, (17711), 5485 states have call successors, (5485), 1026 states have call predecessors, (5485), 1023 states have return successors, (5482), 5343 states have call predecessors, (5482), 5482 states have call successors, (5482) [2022-07-21 14:04:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20328 states to 20328 states and 28678 transitions. [2022-07-21 14:04:17,771 INFO L78 Accepts]: Start accepts. Automaton has 20328 states and 28678 transitions. Word has length 415 [2022-07-21 14:04:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:17,772 INFO L495 AbstractCegarLoop]: Abstraction has 20328 states and 28678 transitions. [2022-07-21 14:04:17,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-21 14:04:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 20328 states and 28678 transitions. [2022-07-21 14:04:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-21 14:04:17,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:17,788 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:17,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:04:17,788 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:17,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1642271361, now seen corresponding path program 1 times [2022-07-21 14:04:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:04:17,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998876725] [2022-07-21 14:04:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:04:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:04:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:04:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:04:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:04:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:04:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:04:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:04:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:04:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:04:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:04:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:04:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:04:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:04:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:04:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:04:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:04:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:04:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:04:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:04:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:04:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:04:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:04:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:04:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:04:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:04:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:04:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:04:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:04:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:04:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:04:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:04:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:04:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:04:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:04:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:04:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:04:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:04:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:04:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 14:04:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 14:04:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 14:04:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-21 14:04:18,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:04:18,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998876725] [2022-07-21 14:04:18,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998876725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:18,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:18,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:04:18,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247113810] [2022-07-21 14:04:18,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:18,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:04:18,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:04:18,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:04:18,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:04:18,793 INFO L87 Difference]: Start difference. First operand 20328 states and 28678 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-07-21 14:04:29,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:04:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:30,757 INFO L93 Difference]: Finished difference Result 55294 states and 78672 transitions. [2022-07-21 14:04:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:04:30,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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 453 [2022-07-21 14:04:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:30,950 INFO L225 Difference]: With dead ends: 55294 [2022-07-21 14:04:30,951 INFO L226 Difference]: Without dead ends: 38782 [2022-07-21 14:04:31,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:31,028 INFO L413 NwaCegarLoop]: 10999 mSDtfsCounter, 6425 mSDsluCounter, 8152 mSDsCounter, 0 mSdLazyCounter, 5302 mSolverCounterSat, 2935 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7549 SdHoareTripleChecker+Valid, 19151 SdHoareTripleChecker+Invalid, 8238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2935 IncrementalHoareTripleChecker+Valid, 5302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:31,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7549 Valid, 19151 Invalid, 8238 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2935 Valid, 5302 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-07-21 14:04:31,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38782 states. [2022-07-21 14:04:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38782 to 36383. [2022-07-21 14:04:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36383 states, 24749 states have (on average 1.282880116368338) internal successors, (31750), 25424 states have internal predecessors, (31750), 9800 states have call successors, (9800), 1835 states have call predecessors, (9800), 1832 states have return successors, (9797), 9560 states have call predecessors, (9797), 9797 states have call successors, (9797) [2022-07-21 14:04:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36383 states to 36383 states and 51347 transitions. [2022-07-21 14:04:32,339 INFO L78 Accepts]: Start accepts. Automaton has 36383 states and 51347 transitions. Word has length 453 [2022-07-21 14:04:32,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:32,340 INFO L495 AbstractCegarLoop]: Abstraction has 36383 states and 51347 transitions. [2022-07-21 14:04:32,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-07-21 14:04:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 36383 states and 51347 transitions. [2022-07-21 14:04:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-21 14:04:32,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:32,354 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:32,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:04:32,355 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:32,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1704310975, now seen corresponding path program 1 times [2022-07-21 14:04:32,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:04:32,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4473915] [2022-07-21 14:04:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:04:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:04:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:04:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:04:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:04:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:04:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:04:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:04:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:04:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:04:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:04:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:04:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:04:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:04:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:04:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:04:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:04:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:04:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:04:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:04:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:04:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:04:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:04:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:04:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:04:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:04:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:04:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:04:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:04:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:04:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:04:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:04:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:04:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:04:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:04:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:04:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:04:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:04:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:04:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 14:04:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 14:04:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 14:04:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-21 14:04:33,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:04:33,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4473915] [2022-07-21 14:04:33,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4473915] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:33,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:33,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:04:33,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202390039] [2022-07-21 14:04:33,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:33,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:04:33,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:04:33,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:04:33,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:33,161 INFO L87 Difference]: Start difference. First operand 36383 states and 51347 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 14:04:40,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:04:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:41,950 INFO L93 Difference]: Finished difference Result 38780 states and 55351 transitions. [2022-07-21 14:04:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:04:41,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 453 [2022-07-21 14:04:41,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:42,197 INFO L225 Difference]: With dead ends: 38780 [2022-07-21 14:04:42,198 INFO L226 Difference]: Without dead ends: 38703 [2022-07-21 14:04:42,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:04:42,226 INFO L413 NwaCegarLoop]: 5803 mSDtfsCounter, 6502 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 2826 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7154 SdHoareTripleChecker+Valid, 11872 SdHoareTripleChecker+Invalid, 6879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2826 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:42,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7154 Valid, 11872 Invalid, 6879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2826 Valid, 4052 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-07-21 14:04:42,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38703 states. [2022-07-21 14:04:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38703 to 36306. [2022-07-21 14:04:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36306 states, 24706 states have (on average 1.2828057961628754) internal successors, (31693), 25369 states have internal predecessors, (31693), 9769 states have call successors, (9769), 1830 states have call predecessors, (9769), 1830 states have return successors, (9769), 9543 states have call predecessors, (9769), 9769 states have call successors, (9769) [2022-07-21 14:04:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36306 states to 36306 states and 51231 transitions. [2022-07-21 14:04:43,460 INFO L78 Accepts]: Start accepts. Automaton has 36306 states and 51231 transitions. Word has length 453 [2022-07-21 14:04:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:43,461 INFO L495 AbstractCegarLoop]: Abstraction has 36306 states and 51231 transitions. [2022-07-21 14:04:43,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 14:04:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36306 states and 51231 transitions. [2022-07-21 14:04:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-21 14:04:43,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:43,496 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:43,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:04:43,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:43,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:43,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1413689594, now seen corresponding path program 1 times [2022-07-21 14:04:43,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:04:43,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695152014] [2022-07-21 14:04:43,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:43,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:04:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:04:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:04:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:04:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:04:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:04:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:04:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:04:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:04:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:04:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:04:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:04:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:04:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:04:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:04:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:04:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:04:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:04:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:04:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:04:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:04:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:04:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:04:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:04:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:04:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:04:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:04:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:04:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:04:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:04:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:04:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:04:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:04:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:04:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:04:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:04:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:04:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:04:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 14:04:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 14:04:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 14:04:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 14:04:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 14:04:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 14:04:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5209 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-21 14:04:44,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:04:44,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695152014] [2022-07-21 14:04:44,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695152014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:44,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:44,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:04:44,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925015909] [2022-07-21 14:04:44,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:44,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:04:44,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:04:44,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:04:44,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:04:44,177 INFO L87 Difference]: Start difference. First operand 36306 states and 51231 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2022-07-21 14:04:53,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:53,243 INFO L93 Difference]: Finished difference Result 87691 states and 124619 transitions. [2022-07-21 14:04:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:04:53,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) Word has length 482 [2022-07-21 14:04:53,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:53,643 INFO L225 Difference]: With dead ends: 87691 [2022-07-21 14:04:53,644 INFO L226 Difference]: Without dead ends: 55201 [2022-07-21 14:04:53,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:53,743 INFO L413 NwaCegarLoop]: 10734 mSDtfsCounter, 5958 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 5222 mSolverCounterSat, 2847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 18741 SdHoareTripleChecker+Invalid, 8069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2847 IncrementalHoareTripleChecker+Valid, 5222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:53,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 18741 Invalid, 8069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2847 Valid, 5222 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-21 14:04:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55201 states. [2022-07-21 14:04:55,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55201 to 51744. [2022-07-21 14:04:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51744 states, 35204 states have (on average 1.282269060334053) internal successors, (45141), 36147 states have internal predecessors, (45141), 13913 states have call successors, (13913), 2626 states have call predecessors, (13913), 2626 states have return successors, (13913), 13587 states have call predecessors, (13913), 13913 states have call successors, (13913) [2022-07-21 14:04:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51744 states to 51744 states and 72967 transitions. [2022-07-21 14:04:55,967 INFO L78 Accepts]: Start accepts. Automaton has 51744 states and 72967 transitions. Word has length 482 [2022-07-21 14:04:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:55,968 INFO L495 AbstractCegarLoop]: Abstraction has 51744 states and 72967 transitions. [2022-07-21 14:04:55,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2022-07-21 14:04:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 51744 states and 72967 transitions. [2022-07-21 14:04:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-07-21 14:04:56,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:56,015 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 33, 33, 33, 33, 33, 33, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:56,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:04:56,015 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1557846666, now seen corresponding path program 1 times [2022-07-21 14:04:56,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:04:56,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214985018] [2022-07-21 14:04:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:04:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:04:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:04:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:04:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:04:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:04:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:04:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:04:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:04:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:04:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:04:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:04:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:04:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:04:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:04:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:04:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:04:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:04:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:04:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:04:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:04:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:04:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:04:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:04:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:04:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:04:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:04:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:04:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:04:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:04:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:04:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:04:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:04:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:04:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:04:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:04:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:04:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:04:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:04:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 14:04:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 14:04:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 14:04:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 14:04:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-21 14:04:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:04:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:04:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:04:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 14:04:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2022-07-21 14:04:56,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:04:56,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214985018] [2022-07-21 14:04:56,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214985018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:56,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:56,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:04:56,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656700003] [2022-07-21 14:04:56,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:56,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:04:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:04:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:04:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:04:56,837 INFO L87 Difference]: Start difference. First operand 51744 states and 72967 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-21 14:05:07,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:05:09,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:09,498 INFO L93 Difference]: Finished difference Result 128404 states and 182375 transitions. [2022-07-21 14:05:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:05:09,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 509 [2022-07-21 14:05:09,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:10,037 INFO L225 Difference]: With dead ends: 128404 [2022-07-21 14:05:10,038 INFO L226 Difference]: Without dead ends: 76386 [2022-07-21 14:05:10,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:05:10,377 INFO L413 NwaCegarLoop]: 11348 mSDtfsCounter, 6362 mSDsluCounter, 8401 mSDsCounter, 0 mSdLazyCounter, 5279 mSolverCounterSat, 2834 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7480 SdHoareTripleChecker+Valid, 19749 SdHoareTripleChecker+Invalid, 8114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2834 IncrementalHoareTripleChecker+Valid, 5279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:10,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7480 Valid, 19749 Invalid, 8114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2834 Valid, 5279 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-07-21 14:05:10,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76386 states. [2022-07-21 14:05:12,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76386 to 71604. [2022-07-21 14:05:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71604 states, 48710 states have (on average 1.282837199753644) internal successors, (62487), 50016 states have internal predecessors, (62487), 19260 states have call successors, (19260), 3633 states have call predecessors, (19260), 3633 states have return successors, (19260), 18812 states have call predecessors, (19260), 19260 states have call successors, (19260) [2022-07-21 14:05:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101007 transitions. [2022-07-21 14:05:13,108 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101007 transitions. Word has length 509 [2022-07-21 14:05:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:13,109 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101007 transitions. [2022-07-21 14:05:13,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-21 14:05:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101007 transitions. [2022-07-21 14:05:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-21 14:05:13,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:13,164 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 33, 33, 33, 33, 33, 33, 7, 7, 7, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:13,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:05:13,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1323562556, now seen corresponding path program 1 times [2022-07-21 14:05:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:05:13,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263175041] [2022-07-21 14:05:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:05:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:05:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:05:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:05:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:05:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:05:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:05:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:05:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:05:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:05:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:05:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:05:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:05:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:05:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:05:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:05:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:05:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:05:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:05:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:05:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:05:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:05:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:05:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:05:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:05:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:05:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:05:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:05:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:05:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:05:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:05:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:05:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:05:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:05:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:05:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:05:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:05:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:05:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:05:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 14:05:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 14:05:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 14:05:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 14:05:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 14:05:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 14:05:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-21 14:05:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-21 14:05:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:05:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:05:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-21 14:05:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5603 trivial. 0 not checked. [2022-07-21 14:05:14,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:05:14,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263175041] [2022-07-21 14:05:14,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263175041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:14,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:14,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:05:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386307381] [2022-07-21 14:05:14,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:14,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:05:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:05:14,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:05:14,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:05:14,298 INFO L87 Difference]: Start difference. First operand 71604 states and 101007 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-21 14:05:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:26,241 INFO L93 Difference]: Finished difference Result 169415 states and 240590 transitions. [2022-07-21 14:05:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:05:26,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 535 [2022-07-21 14:05:26,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:26,776 INFO L225 Difference]: With dead ends: 169415 [2022-07-21 14:05:26,777 INFO L226 Difference]: Without dead ends: 97573 [2022-07-21 14:05:27,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:05:27,178 INFO L413 NwaCegarLoop]: 11341 mSDtfsCounter, 6361 mSDsluCounter, 8394 mSDsCounter, 0 mSdLazyCounter, 5268 mSolverCounterSat, 2830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7480 SdHoareTripleChecker+Valid, 19735 SdHoareTripleChecker+Invalid, 8098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 5268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:27,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7480 Valid, 19735 Invalid, 8098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2830 Valid, 5268 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-21 14:05:27,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97573 states. [2022-07-21 14:05:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97573 to 71604. [2022-07-21 14:05:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71604 states, 48710 states have (on average 1.2828166700882775) internal successors, (62486), 50016 states have internal predecessors, (62486), 19260 states have call successors, (19260), 3633 states have call predecessors, (19260), 3633 states have return successors, (19260), 18812 states have call predecessors, (19260), 19260 states have call successors, (19260) [2022-07-21 14:05:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71604 states to 71604 states and 101006 transitions. [2022-07-21 14:05:30,385 INFO L78 Accepts]: Start accepts. Automaton has 71604 states and 101006 transitions. Word has length 535 [2022-07-21 14:05:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:30,386 INFO L495 AbstractCegarLoop]: Abstraction has 71604 states and 101006 transitions. [2022-07-21 14:05:30,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-21 14:05:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 71604 states and 101006 transitions. [2022-07-21 14:05:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-21 14:05:30,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:30,440 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 33, 33, 33, 33, 33, 33, 7, 7, 7, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:30,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:05:30,441 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:30,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:30,441 INFO L85 PathProgramCache]: Analyzing trace with hash 243195394, now seen corresponding path program 1 times [2022-07-21 14:05:30,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:05:30,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325242946] [2022-07-21 14:05:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:05:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:05:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:05:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:05:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:05:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:05:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:05:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:05:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:05:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:05:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:05:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:05:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:05:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:05:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:05:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:05:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:05:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:05:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:05:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:05:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:05:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:05:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:05:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:05:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:05:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:05:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:05:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:05:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:05:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:05:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:05:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:05:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:05:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:05:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:05:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:05:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:05:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:05:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:05:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 14:05:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 14:05:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 14:05:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 14:05:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 14:05:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 14:05:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-21 14:05:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-21 14:05:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:05:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:05:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-21 14:05:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5635 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5624 trivial. 0 not checked. [2022-07-21 14:05:31,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:05:31,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325242946] [2022-07-21 14:05:31,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325242946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:31,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:31,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:05:31,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298711921] [2022-07-21 14:05:31,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:31,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:05:31,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:05:31,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:05:31,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:05:31,547 INFO L87 Difference]: Start difference. First operand 71604 states and 101006 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 14:05:44,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:05:47,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:47,862 INFO L93 Difference]: Finished difference Result 181758 states and 258217 transitions. [2022-07-21 14:05:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:05:47,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 535 [2022-07-21 14:05:47,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:48,742 INFO L225 Difference]: With dead ends: 181758 [2022-07-21 14:05:48,743 INFO L226 Difference]: Without dead ends: 113970 [2022-07-21 14:05:49,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:05:49,231 INFO L413 NwaCegarLoop]: 11305 mSDtfsCounter, 6315 mSDsluCounter, 8366 mSDsCounter, 0 mSdLazyCounter, 5295 mSolverCounterSat, 2811 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7439 SdHoareTripleChecker+Valid, 19671 SdHoareTripleChecker+Invalid, 8107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2811 IncrementalHoareTripleChecker+Valid, 5295 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:49,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7439 Valid, 19671 Invalid, 8107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2811 Valid, 5295 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-07-21 14:05:49,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113970 states. [2022-07-21 14:05:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113970 to 106791. [2022-07-21 14:05:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106791 states, 72656 states have (on average 1.2826332305659547) internal successors, (93191), 74609 states have internal predecessors, (93191), 28713 states have call successors, (28713), 5430 states have call predecessors, (28713), 5421 states have return successors, (28713), 28038 states have call predecessors, (28713), 28713 states have call successors, (28713) [2022-07-21 14:05:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106791 states to 106791 states and 150617 transitions. [2022-07-21 14:05:53,549 INFO L78 Accepts]: Start accepts. Automaton has 106791 states and 150617 transitions. Word has length 535 [2022-07-21 14:05:53,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:53,550 INFO L495 AbstractCegarLoop]: Abstraction has 106791 states and 150617 transitions. [2022-07-21 14:05:53,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 14:05:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 106791 states and 150617 transitions. [2022-07-21 14:05:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-21 14:05:53,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:53,623 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:53,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 14:05:53,624 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:53,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1864831137, now seen corresponding path program 1 times [2022-07-21 14:05:53,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:05:53,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325510886] [2022-07-21 14:05:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:53,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:05:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:05:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:05:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:05:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:05:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:05:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:05:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:05:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:05:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:05:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:05:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:05:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:05:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:05:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:05:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:05:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:05:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:05:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:05:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:05:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:05:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:05:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:05:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:05:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:05:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:05:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:05:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:05:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:05:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:05:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:05:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:05:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:05:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:05:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:05:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:05:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:05:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:05:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 14:05:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 14:05:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 14:05:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 14:05:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-21 14:05:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:05:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:05:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-21 14:05:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:05:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:05:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-21 14:05:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 14:05:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 14:05:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 14:05:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5575 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5549 trivial. 0 not checked. [2022-07-21 14:05:54,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:05:54,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325510886] [2022-07-21 14:05:54,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325510886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:54,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:54,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:05:54,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212704008] [2022-07-21 14:05:54,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:54,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:05:54,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:05:54,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:05:54,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:05:54,594 INFO L87 Difference]: Start difference. First operand 106791 states and 150617 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-21 14:06:08,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:06:12,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:06:12,309 INFO L93 Difference]: Finished difference Result 253656 states and 360124 transitions. [2022-07-21 14:06:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:06:12,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 558 [2022-07-21 14:06:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:06:13,233 INFO L225 Difference]: With dead ends: 253656 [2022-07-21 14:06:13,233 INFO L226 Difference]: Without dead ends: 146653 [2022-07-21 14:06:13,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:06:13,860 INFO L413 NwaCegarLoop]: 10862 mSDtfsCounter, 5942 mSDsluCounter, 8095 mSDsCounter, 0 mSdLazyCounter, 5213 mSolverCounterSat, 2816 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6988 SdHoareTripleChecker+Valid, 18957 SdHoareTripleChecker+Invalid, 8030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2816 IncrementalHoareTripleChecker+Valid, 5213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:06:13,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6988 Valid, 18957 Invalid, 8030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2816 Valid, 5213 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-07-21 14:06:13,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146653 states. [2022-07-21 14:06:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146653 to 137367. [2022-07-21 14:06:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137367 states, 93438 states have (on average 1.2823155461375457) internal successors, (119817), 95947 states have internal predecessors, (119817), 36931 states have call successors, (36931), 7009 states have call predecessors, (36931), 6997 states have return successors, (36931), 36057 states have call predecessors, (36931), 36931 states have call successors, (36931) [2022-07-21 14:06:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137367 states to 137367 states and 193679 transitions. [2022-07-21 14:06:20,346 INFO L78 Accepts]: Start accepts. Automaton has 137367 states and 193679 transitions. Word has length 558 [2022-07-21 14:06:20,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:06:20,347 INFO L495 AbstractCegarLoop]: Abstraction has 137367 states and 193679 transitions. [2022-07-21 14:06:20,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-21 14:06:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 137367 states and 193679 transitions. [2022-07-21 14:06:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-21 14:06:20,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:06:20,440 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:06:20,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 14:06:20,440 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:06:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:06:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2077047777, now seen corresponding path program 1 times [2022-07-21 14:06:20,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:06:20,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633800467] [2022-07-21 14:06:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:06:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:06:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:06:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:06:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:06:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:06:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:06:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:06:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:06:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:06:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:06:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:06:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:06:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:06:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:06:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:06:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:06:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:06:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:06:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:06:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:06:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:06:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:06:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:06:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:06:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:06:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:06:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:06:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:06:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:06:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:06:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:06:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:06:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:06:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:06:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:06:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:06:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 14:06:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 14:06:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 14:06:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 14:06:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 14:06:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 14:06:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-21 14:06:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:06:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:06:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-21 14:06:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:06:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:06:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-21 14:06:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 14:06:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 14:06:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 14:06:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5575 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5575 trivial. 0 not checked. [2022-07-21 14:06:21,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:06:21,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633800467] [2022-07-21 14:06:21,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633800467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:06:21,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:06:21,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:06:21,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661394911] [2022-07-21 14:06:21,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:06:21,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:06:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:06:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:06:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:06:21,928 INFO L87 Difference]: Start difference. First operand 137367 states and 193679 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50)