./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.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 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:09:09,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:09:09,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:09:09,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:09:09,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:09:09,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:09:09,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:09:09,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:09:09,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:09:09,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:09:09,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:09:09,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:09:09,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:09:09,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:09:09,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:09:09,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:09:09,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:09:09,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:09:09,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:09:09,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:09:09,513 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:09:09,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:09:09,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:09:09,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:09:09,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:09:09,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:09:09,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:09:09,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:09:09,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:09:09,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:09:09,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:09:09,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:09:09,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:09:09,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:09:09,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:09:09,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:09:09,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:09:09,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:09:09,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:09:09,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:09:09,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:09:09,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:09:09,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:09:09,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:09:09,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:09:09,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:09:09,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:09:09,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:09:09,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:09:09,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:09:09,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:09:09,579 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:09:09,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:09:09,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:09:09,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:09:09,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:09:09,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:09:09,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:09:09,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:09:09,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:09:09,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:09:09,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:09:09,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:09:09,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:09:09,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:09:09,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:09:09,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:09:09,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:09:09,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:09:09,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:09:09,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:09:09,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:09:09,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:09:09,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2022-07-21 13:09:09,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:09:09,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:09:09,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:09:09,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:09:09,931 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:09:09,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:09:09,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6578bf4/6c9d7e77e3414b818bd6ba35cf89d0d5/FLAG403ea489b [2022-07-21 13:09:10,952 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:09:10,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:09:11,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6578bf4/6c9d7e77e3414b818bd6ba35cf89d0d5/FLAG403ea489b [2022-07-21 13:09:11,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6578bf4/6c9d7e77e3414b818bd6ba35cf89d0d5 [2022-07-21 13:09:11,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:09:11,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:09:11,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:09:11,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:09:11,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:09:11,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:09:11" (1/1) ... [2022-07-21 13:09:11,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709f55c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:11, skipping insertion in model container [2022-07-21 13:09:11,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:09:11" (1/1) ... [2022-07-21 13:09:11,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:09:11,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:09:15,797 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i[465063,465076] [2022-07-21 13:09:15,841 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-21 13:09:15,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:09:15,890 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:09:16,595 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i[465063,465076] [2022-07-21 13:09:16,600 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-21 13:09:16,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:09:16,719 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:09:16,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16 WrapperNode [2022-07-21 13:09:16,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:09:16,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:09:16,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:09:16,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:09:16,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:16,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:17,406 INFO L137 Inliner]: procedures = 391, calls = 6618, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 16187 [2022-07-21 13:09:17,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:09:17,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:09:17,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:09:17,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:09:17,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:17,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:17,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:17,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:18,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:18,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:18,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:18,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:09:18,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:09:18,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:09:18,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:09:18,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (1/1) ... [2022-07-21 13:09:18,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:09:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:09:18,297 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 13:09:18,314 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 13:09:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2022-07-21 13:09:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2022-07-21 13:09:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2022-07-21 13:09:18,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2022-07-21 13:09:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2022-07-21 13:09:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2022-07-21 13:09:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:09:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:09:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-07-21 13:09:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-07-21 13:09:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2022-07-21 13:09:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2022-07-21 13:09:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 13:09:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 13:09:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 13:09:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 13:09:18,338 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2022-07-21 13:09:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2022-07-21 13:09:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:09:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:09:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-21 13:09:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-21 13:09:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2022-07-21 13:09:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2022-07-21 13:09:18,339 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2022-07-21 13:09:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2022-07-21 13:09:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-07-21 13:09:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-07-21 13:09:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2022-07-21 13:09:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2022-07-21 13:09:18,340 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-07-21 13:09:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-07-21 13:09:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:09:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:09:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2022-07-21 13:09:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2022-07-21 13:09:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-07-21 13:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-07-21 13:09:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-21 13:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-21 13:09:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2022-07-21 13:09:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2022-07-21 13:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-07-21 13:09:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-07-21 13:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2022-07-21 13:09:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2022-07-21 13:09:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2022-07-21 13:09:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2022-07-21 13:09:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:09:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-21 13:09:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-21 13:09:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-21 13:09:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-21 13:09:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:09:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:09:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:09:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:09:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-21 13:09:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-21 13:09:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:09:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-07-21 13:09:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-07-21 13:09:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-21 13:09:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-21 13:09:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2022-07-21 13:09:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2022-07-21 13:09:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 13:09:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 13:09:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 13:09:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 13:09:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:09:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2022-07-21 13:09:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2022-07-21 13:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2022-07-21 13:09:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2022-07-21 13:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 13:09:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 13:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:09:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 13:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:09:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-07-21 13:09:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-07-21 13:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2022-07-21 13:09:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2022-07-21 13:09:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-07-21 13:09:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-07-21 13:09:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-21 13:09:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-21 13:09:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 13:09:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 13:09:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:09:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:09:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-21 13:09:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-21 13:09:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2022-07-21 13:09:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2022-07-21 13:09:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 13:09:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 13:09:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2022-07-21 13:09:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2022-07-21 13:09:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2022-07-21 13:09:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2022-07-21 13:09:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2022-07-21 13:09:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2022-07-21 13:09:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2022-07-21 13:09:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2022-07-21 13:09:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2022-07-21 13:09:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2022-07-21 13:09:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 13:09:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 13:09:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:09:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-21 13:09:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2022-07-21 13:09:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2022-07-21 13:09:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 13:09:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 13:09:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 13:09:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 13:09:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:09:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2022-07-21 13:09:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2022-07-21 13:09:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2022-07-21 13:09:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2022-07-21 13:09:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2022-07-21 13:09:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2022-07-21 13:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-07-21 13:09:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-07-21 13:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-07-21 13:09:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-07-21 13:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:09:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 13:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 13:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-07-21 13:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-07-21 13:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 13:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 13:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2022-07-21 13:09:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2022-07-21 13:09:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 13:09:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 13:09:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 13:09:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 13:09:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 13:09:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 13:09:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 13:09:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 13:09:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-07-21 13:09:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-07-21 13:09:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 13:09:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 13:09:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-07-21 13:09:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-07-21 13:09:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:09:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:09:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2022-07-21 13:09:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2022-07-21 13:09:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 13:09:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 13:09:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:09:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:09:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-07-21 13:09:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-07-21 13:09:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2022-07-21 13:09:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2022-07-21 13:09:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2022-07-21 13:09:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2022-07-21 13:09:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:09:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:09:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2022-07-21 13:09:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2022-07-21 13:09:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 13:09:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 13:09:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-07-21 13:09:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-07-21 13:09:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-21 13:09:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-21 13:09:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2022-07-21 13:09:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2022-07-21 13:09:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-07-21 13:09:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-07-21 13:09:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-07-21 13:09:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-07-21 13:09:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:09:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:09:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2022-07-21 13:09:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2022-07-21 13:09:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2022-07-21 13:09:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2022-07-21 13:09:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:09:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:09:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2022-07-21 13:09:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2022-07-21 13:09:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2022-07-21 13:09:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2022-07-21 13:09:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 13:09:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 13:09:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-21 13:09:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-21 13:09:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2022-07-21 13:09:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2022-07-21 13:09:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-21 13:09:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-21 13:09:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 13:09:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 13:09:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 13:09:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 13:09:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-07-21 13:09:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-07-21 13:09:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-21 13:09:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-21 13:09:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-21 13:09:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-21 13:09:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2022-07-21 13:09:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2022-07-21 13:09:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:09:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:09:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-07-21 13:09:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-07-21 13:09:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 13:09:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 13:09:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2022-07-21 13:09:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2022-07-21 13:09:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2022-07-21 13:09:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2022-07-21 13:09:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-21 13:09:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-21 13:09:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2022-07-21 13:09:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2022-07-21 13:09:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 13:09:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 13:09:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2022-07-21 13:09:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2022-07-21 13:09:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-07-21 13:09:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-07-21 13:09:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:09:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2022-07-21 13:09:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2022-07-21 13:09:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:09:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:09:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2022-07-21 13:09:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2022-07-21 13:09:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-07-21 13:09:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-07-21 13:09:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-21 13:09:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-21 13:09:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:09:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2022-07-21 13:09:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2022-07-21 13:09:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-21 13:09:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-21 13:09:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-21 13:09:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-21 13:09:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 13:09:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 13:09:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2022-07-21 13:09:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2022-07-21 13:09:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2022-07-21 13:09:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2022-07-21 13:09:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2022-07-21 13:09:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2022-07-21 13:09:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2022-07-21 13:09:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2022-07-21 13:09:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:09:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2022-07-21 13:09:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2022-07-21 13:09:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-07-21 13:09:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-07-21 13:09:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-21 13:09:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2022-07-21 13:09:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2022-07-21 13:09:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2022-07-21 13:09:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2022-07-21 13:09:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2022-07-21 13:09:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2022-07-21 13:09:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2022-07-21 13:09:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2022-07-21 13:09:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-07-21 13:09:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-07-21 13:09:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-07-21 13:09:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-07-21 13:09:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-07-21 13:09:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-07-21 13:09:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-07-21 13:09:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-07-21 13:09:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2022-07-21 13:09:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2022-07-21 13:09:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 13:09:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 13:09:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2022-07-21 13:09:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2022-07-21 13:09:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2022-07-21 13:09:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2022-07-21 13:09:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-21 13:09:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-21 13:09:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2022-07-21 13:09:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2022-07-21 13:09:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2022-07-21 13:09:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2022-07-21 13:09:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:09:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:09:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2022-07-21 13:09:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2022-07-21 13:09:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:09:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:09:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 13:09:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 13:09:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2022-07-21 13:09:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2022-07-21 13:09:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:09:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2022-07-21 13:09:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2022-07-21 13:09:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-21 13:09:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-21 13:09:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 13:09:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 13:09:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:09:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:09:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-07-21 13:09:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-07-21 13:09:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2022-07-21 13:09:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2022-07-21 13:09:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2022-07-21 13:09:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2022-07-21 13:09:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 13:09:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 13:09:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2022-07-21 13:09:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2022-07-21 13:09:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 13:09:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 13:09:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-07-21 13:09:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-07-21 13:09:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2022-07-21 13:09:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2022-07-21 13:09:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-07-21 13:09:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-07-21 13:09:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 13:09:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 13:09:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 13:09:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 13:09:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-07-21 13:09:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-07-21 13:09:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2022-07-21 13:09:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2022-07-21 13:09:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2022-07-21 13:09:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2022-07-21 13:09:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-21 13:09:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-21 13:09:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2022-07-21 13:09:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2022-07-21 13:09:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-21 13:09:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-21 13:09:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-07-21 13:09:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-07-21 13:09:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:09:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:09:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-21 13:09:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-21 13:09:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2022-07-21 13:09:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2022-07-21 13:09:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2022-07-21 13:09:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2022-07-21 13:09:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:09:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:09:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:09:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2022-07-21 13:09:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2022-07-21 13:09:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-07-21 13:09:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-07-21 13:09:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-21 13:09:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-21 13:09:19,771 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:09:19,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:09:29,979 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:09:44,848 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:09:44,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:09:44,888 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:09:44,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:09:44 BoogieIcfgContainer [2022-07-21 13:09:44,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:09:44,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:09:44,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:09:44,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:09:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:09:11" (1/3) ... [2022-07-21 13:09:44,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db0000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:09:44, skipping insertion in model container [2022-07-21 13:09:44,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:09:16" (2/3) ... [2022-07-21 13:09:44,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db0000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:09:44, skipping insertion in model container [2022-07-21 13:09:44,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:09:44" (3/3) ... [2022-07-21 13:09:44,910 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2022-07-21 13:09:44,922 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:09:44,923 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:09:45,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:09:45,076 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@566055d7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2af9ac7e [2022-07-21 13:09:45,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:09:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 5609 states, 4010 states have (on average 1.4640897755610973) internal successors, (5871), 4155 states have internal predecessors, (5871), 1418 states have call successors, (1418), 180 states have call predecessors, (1418), 179 states have return successors, (1409), 1369 states have call predecessors, (1409), 1409 states have call successors, (1409) [2022-07-21 13:09:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-21 13:09:45,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:09:45,121 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:09:45,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:09:45,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:09:45,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1297523344, now seen corresponding path program 1 times [2022-07-21 13:09:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:09:45,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411797600] [2022-07-21 13:09:45,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:09:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:09:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:09:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:09:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:09:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:09:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:09:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:09:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:09:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:09:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:09:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:09:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 13:09:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:09:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:09:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:09:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 13:09:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:09:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 13:09:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:09:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 13:09:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:09:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 13:09:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:09:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 13:09:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-21 13:09:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 13:09:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:09:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:09:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 13:09:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:09:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 13:09:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:09:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:09:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:09:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:09:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:09:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:09:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:09:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:09:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:09:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:09:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-21 13:09:47,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:09:47,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411797600] [2022-07-21 13:09:47,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411797600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:09:47,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:09:47,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:09:47,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833642582] [2022-07-21 13:09:47,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:09:47,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:09:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:09:47,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:09:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:09:47,642 INFO L87 Difference]: Start difference. First operand has 5609 states, 4010 states have (on average 1.4640897755610973) internal successors, (5871), 4155 states have internal predecessors, (5871), 1418 states have call successors, (1418), 180 states have call predecessors, (1418), 179 states have return successors, (1409), 1369 states have call predecessors, (1409), 1409 states have call successors, (1409) Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:09:56,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:09:59,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:01,798 WARN L534 Checker$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 13:10:07,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:18,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:21,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:24,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:10:28,775 INFO L93 Difference]: Finished difference Result 17986 states and 28711 transitions. [2022-07-21 13:10:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:10:28,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 499 [2022-07-21 13:10:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:10:28,932 INFO L225 Difference]: With dead ends: 17986 [2022-07-21 13:10:28,932 INFO L226 Difference]: Without dead ends: 12319 [2022-07-21 13:10:29,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:10:29,024 INFO L413 NwaCegarLoop]: 8986 mSDtfsCounter, 16320 mSDsluCounter, 10693 mSDsCounter, 0 mSdLazyCounter, 6988 mSolverCounterSat, 11704 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17489 SdHoareTripleChecker+Valid, 19679 SdHoareTripleChecker+Invalid, 18699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11704 IncrementalHoareTripleChecker+Valid, 6988 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:10:29,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17489 Valid, 19679 Invalid, 18699 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11704 Valid, 6988 Invalid, 7 Unknown, 0 Unchecked, 39.6s Time] [2022-07-21 13:10:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12319 states. [2022-07-21 13:10:29,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12319 to 11041. [2022-07-21 13:10:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11041 states, 7923 states have (on average 1.3868484160040389) internal successors, (10988), 8193 states have internal predecessors, (10988), 2763 states have call successors, (2763), 354 states have call predecessors, (2763), 354 states have return successors, (2767), 2679 states have call predecessors, (2767), 2761 states have call successors, (2767) [2022-07-21 13:10:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11041 states to 11041 states and 16518 transitions. [2022-07-21 13:10:29,954 INFO L78 Accepts]: Start accepts. Automaton has 11041 states and 16518 transitions. Word has length 499 [2022-07-21 13:10:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:10:29,957 INFO L495 AbstractCegarLoop]: Abstraction has 11041 states and 16518 transitions. [2022-07-21 13:10:29,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:10:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11041 states and 16518 transitions. [2022-07-21 13:10:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-07-21 13:10:29,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:10:29,975 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:29,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:10:29,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:10:29,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:10:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2048203719, now seen corresponding path program 1 times [2022-07-21 13:10:29,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:10:29,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133202543] [2022-07-21 13:10:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:10:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:10:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:10:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:10:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:10:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:10:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:10:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:10:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:10:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:10:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:10:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:10:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 13:10:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:10:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:10:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:10:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 13:10:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:10:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 13:10:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:10:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 13:10:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:10:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 13:10:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:10:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 13:10:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-21 13:10:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 13:10:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:10:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:10:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 13:10:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:10:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 13:10:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:10:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:10:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:10:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:10:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:10:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:10:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:10:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:10:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:10:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:10:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-21 13:10:31,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:10:31,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133202543] [2022-07-21 13:10:31,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133202543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:10:31,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:10:31,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:10:31,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9096401] [2022-07-21 13:10:31,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:10:31,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:10:31,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:10:31,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:10:31,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:10:31,548 INFO L87 Difference]: Start difference. First operand 11041 states and 16518 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:10:40,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:42,357 WARN L534 Checker$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 13:10:44,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:10:48,851 WARN L534 Checker$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 13:11:01,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:04,004 WARN L534 Checker$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 13:11:06,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:11:11,938 INFO L93 Difference]: Finished difference Result 35392 states and 53451 transitions. [2022-07-21 13:11:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:11:11,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 501 [2022-07-21 13:11:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:11:12,143 INFO L225 Difference]: With dead ends: 35392 [2022-07-21 13:11:12,144 INFO L226 Difference]: Without dead ends: 24433 [2022-07-21 13:11:12,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:11:12,224 INFO L413 NwaCegarLoop]: 8944 mSDtfsCounter, 16227 mSDsluCounter, 10640 mSDsCounter, 0 mSdLazyCounter, 6951 mSolverCounterSat, 11612 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17392 SdHoareTripleChecker+Valid, 19584 SdHoareTripleChecker+Invalid, 18570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11612 IncrementalHoareTripleChecker+Valid, 6951 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:11:12,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17392 Valid, 19584 Invalid, 18570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11612 Valid, 6951 Invalid, 7 Unknown, 0 Unchecked, 38.9s Time] [2022-07-21 13:11:12,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24433 states. [2022-07-21 13:11:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24433 to 21869. [2022-07-21 13:11:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21869 states, 15715 states have (on average 1.3882914412981229) internal successors, (21817), 16255 states have internal predecessors, (21817), 5447 states have call successors, (5447), 706 states have call predecessors, (5447), 706 states have return successors, (5457), 5279 states have call predecessors, (5457), 5445 states have call successors, (5457) [2022-07-21 13:11:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21869 states to 21869 states and 32721 transitions. [2022-07-21 13:11:13,518 INFO L78 Accepts]: Start accepts. Automaton has 21869 states and 32721 transitions. Word has length 501 [2022-07-21 13:11:13,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:11:13,522 INFO L495 AbstractCegarLoop]: Abstraction has 21869 states and 32721 transitions. [2022-07-21 13:11:13,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:11:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 21869 states and 32721 transitions. [2022-07-21 13:11:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-21 13:11:13,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:11:13,533 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:13,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:11:13,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:11:13,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:11:13,534 INFO L85 PathProgramCache]: Analyzing trace with hash -413335809, now seen corresponding path program 1 times [2022-07-21 13:11:13,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:11:13,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141270577] [2022-07-21 13:11:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:11:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:11:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:11:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:11:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:11:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:11:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:11:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:11:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:11:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:11:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:11:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:11:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 13:11:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:11:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:11:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:11:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 13:11:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:11:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 13:11:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:11:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 13:11:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:11:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 13:11:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:11:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 13:11:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-21 13:11:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 13:11:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:11:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:11:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 13:11:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:11:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 13:11:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:11:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:11:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:11:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:11:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:11:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:11:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:11:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:11:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:11:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:11:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-21 13:11:15,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:11:15,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141270577] [2022-07-21 13:11:15,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141270577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:11:15,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:11:15,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:11:15,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737888971] [2022-07-21 13:11:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:11:15,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:11:15,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:11:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:11:15,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:11:15,190 INFO L87 Difference]: Start difference. First operand 21869 states and 32721 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:11:27,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:29,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:30,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:33,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:35,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:38,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:40,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:47,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:49,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:11:51,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:06,120 WARN L534 Checker$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 13:12:08,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:10,776 WARN L534 Checker$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 13:12:12,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:15,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:17,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:12:25,516 INFO L93 Difference]: Finished difference Result 70447 states and 106361 transitions. [2022-07-21 13:12:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:12:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 504 [2022-07-21 13:12:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:12:25,846 INFO L225 Difference]: With dead ends: 70447 [2022-07-21 13:12:25,846 INFO L226 Difference]: Without dead ends: 48660 [2022-07-21 13:12:25,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:12:25,957 INFO L413 NwaCegarLoop]: 9001 mSDtfsCounter, 12705 mSDsluCounter, 17608 mSDsCounter, 0 mSdLazyCounter, 13105 mSolverCounterSat, 7812 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13876 SdHoareTripleChecker+Valid, 26609 SdHoareTripleChecker+Invalid, 20932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7812 IncrementalHoareTripleChecker+Valid, 13105 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:12:25,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13876 Valid, 26609 Invalid, 20932 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7812 Valid, 13105 Invalid, 15 Unknown, 0 Unchecked, 68.6s Time] [2022-07-21 13:12:26,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48660 states. [2022-07-21 13:12:28,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48660 to 43547. [2022-07-21 13:12:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43547 states, 31303 states have (on average 1.3884611698559244) internal successors, (43463), 32383 states have internal predecessors, (43463), 10832 states have call successors, (10832), 1410 states have call predecessors, (10832), 1411 states have return successors, (10854), 10497 states have call predecessors, (10854), 10830 states have call successors, (10854) [2022-07-21 13:12:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43547 states to 43547 states and 65149 transitions. [2022-07-21 13:12:28,363 INFO L78 Accepts]: Start accepts. Automaton has 43547 states and 65149 transitions. Word has length 504 [2022-07-21 13:12:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:12:28,364 INFO L495 AbstractCegarLoop]: Abstraction has 43547 states and 65149 transitions. [2022-07-21 13:12:28,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:12:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 43547 states and 65149 transitions. [2022-07-21 13:12:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-21 13:12:28,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:12:28,372 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:28,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:12:28,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:12:28,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:12:28,373 INFO L85 PathProgramCache]: Analyzing trace with hash -580929892, now seen corresponding path program 1 times [2022-07-21 13:12:28,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:12:28,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656713104] [2022-07-21 13:12:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:12:28,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:12:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:12:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 13:12:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 13:12:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 13:12:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 13:12:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 13:12:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 13:12:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 13:12:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 13:12:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:12:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 13:12:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:12:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 13:12:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:12:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 13:12:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:12:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 13:12:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:12:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 13:12:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 13:12:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 13:12:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:12:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 13:12:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-21 13:12:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 13:12:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:12:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:12:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 13:12:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:12:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 13:12:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:12:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 13:12:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:12:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 13:12:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 13:12:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:12:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:12:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 13:12:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:12:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:12:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-21 13:12:30,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:12:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656713104] [2022-07-21 13:12:30,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656713104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:12:30,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:12:30,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:12:30,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446678418] [2022-07-21 13:12:30,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:12:30,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:12:30,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:12:30,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:12:30,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:12:30,208 INFO L87 Difference]: Start difference. First operand 43547 states and 65149 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2022-07-21 13:12:38,273 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 13:12:41,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:12:44,052 WARN L534 Checker$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 13:12:47,496 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 []