./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 6c24879c 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-?-6c24879 [2022-07-12 14:35:54,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:35:54,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:35:54,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:35:54,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:35:54,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:35:54,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:35:54,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:35:54,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:35:54,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:35:54,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:35:54,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:35:54,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:35:54,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:35:54,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:35:54,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:35:54,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:35:54,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:35:54,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:35:54,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:35:54,640 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:35:54,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:35:54,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:35:54,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:35:54,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:35:54,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:35:54,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:35:54,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:35:54,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:35:54,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:35:54,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:35:54,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:35:54,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:35:54,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:35:54,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:35:54,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:35:54,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:35:54,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:35:54,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:35:54,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:35:54,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:35:54,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:35:54,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:35:54,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:35:54,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:35:54,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:35:54,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:35:54,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:35:54,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:35:54,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:35:54,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:35:54,690 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:35:54,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:35:54,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:35:54,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:35:54,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:35:54,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:35:54,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:35:54,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:35:54,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:35:54,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:35:54,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:35:54,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:35:54,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:35:54,694 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:35:54,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:35:54,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:35:54,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c42c8b471bd3f5eb0961ccb5a29636ff44887b239ea3f28bd7f2f4f7de76e57 [2022-07-12 14:35:54,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:35:54,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:35:54,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:35:54,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:35:54,874 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:35:54,875 INFO L432 ainManager$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 [2022-07-12 14:35:54,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f2ea1e9/fe9ea9ce94c3481c96996b3acd98d5bf/FLAG0aba7f677 [2022-07-12 14:35:55,603 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:35:55,603 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 [2022-07-12 14:35:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f2ea1e9/fe9ea9ce94c3481c96996b3acd98d5bf/FLAG0aba7f677 [2022-07-12 14:35:55,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f2ea1e9/fe9ea9ce94c3481c96996b3acd98d5bf [2022-07-12 14:35:55,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:35:55,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:35:55,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:35:55,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:35:55,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:35:55,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:35:55" (1/1) ... [2022-07-12 14:35:55,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a7175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:55, skipping insertion in model container [2022-07-12 14:35:55,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:35:55" (1/1) ... [2022-07-12 14:35:55,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:35:56,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:35:58,827 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] [2022-07-12 14:35:58,859 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-12 14:35:58,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:35:58,897 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:35:59,322 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] [2022-07-12 14:35:59,326 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-12 14:35:59,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:35:59,417 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:35:59,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59 WrapperNode [2022-07-12 14:35:59,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:35:59,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:35:59,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:35:59,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:35:59,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:35:59,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:35:59,932 INFO L137 Inliner]: procedures = 391, calls = 6618, calls flagged for inlining = 164, calls inlined = 159, statements flattened = 16187 [2022-07-12 14:35:59,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:35:59,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:35:59,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:35:59,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:35:59,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:35:59,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:36:00,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:36:00,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:36:00,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:36:00,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (1/1) ... [2022-07-12 14:36:00,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:36:00,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:36:00,541 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) [2022-07-12 14:36:00,559 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 [2022-07-12 14:36:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_control [2022-07-12 14:36:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_control [2022-07-12 14:36:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2022-07-12 14:36:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2022-07-12 14:36:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_free [2022-07-12 14:36:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_free [2022-07-12 14:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:36:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-07-12 14:36:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-07-12 14:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_external_startup [2022-07-12 14:36:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_external_startup [2022-07-12 14:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-12 14:36:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-12 14:36:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:36:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:36:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_ohci_hcfs [2022-07-12 14:36:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ohci_hcfs [2022-07-12 14:36:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:36:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:36:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-12 14:36:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-12 14:36:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_to_hcd [2022-07-12 14:36:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_to_hcd [2022-07-12 14:36:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_disable [2022-07-12 14:36:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_disable [2022-07-12 14:36:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-07-12 14:36:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-07-12 14:36:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure compute_tt_budget [2022-07-12 14:36:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_tt_budget [2022-07-12 14:36:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-07-12 14:36:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-07-12 14:36:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:36:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:36:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure tt_available [2022-07-12 14:36:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure tt_available [2022-07-12 14:36:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-07-12 14:36:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-07-12 14:36:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-12 14:36:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-12 14:36:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_handed_over [2022-07-12 14:36:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_handed_over [2022-07-12 14:36:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-07-12 14:36:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-07-12 14:36:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_read_frame_index [2022-07-12 14:36:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_read_frame_index [2022-07-12 14:36:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_speed [2022-07-12 14:36:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_speed [2022-07-12 14:36:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:36:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-12 14:36:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-12 14:36:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-12 14:36:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-12 14:36:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:36:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:36:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:36:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:36:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-12 14:36:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-12 14:36:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:36:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-07-12 14:36:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-07-12 14:36:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-12 14:36:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-12 14:36:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_remove_device [2022-07-12 14:36:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_remove_device [2022-07-12 14:36:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 14:36:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 14:36:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-12 14:36:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-12 14:36:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:36:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:36:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_endpoint_reset [2022-07-12 14:36:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_endpoint_reset [2022-07-12 14:36:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_setup [2022-07-12 14:36:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_setup [2022-07-12 14:36:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 14:36:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 14:36:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-12 14:36:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-12 14:36:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:36:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:36:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:36:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-07-12 14:36:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-07-12 14:36:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_hub_status_data [2022-07-12 14:36:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_hub_status_data [2022-07-12 14:36:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-07-12 14:36:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-07-12 14:36:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-12 14:36:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-12 14:36:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 14:36:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 14:36:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:36:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:36:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-12 14:36:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-12 14:36:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_alloc [2022-07-12 14:36:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_alloc [2022-07-12 14:36:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 14:36:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 14:36:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_silence_controller [2022-07-12 14:36:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_silence_controller [2022-07-12 14:36:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer [2022-07-12 14:36:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer [2022-07-12 14:36:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure submit_single_step_set_feature [2022-07-12 14:36:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_single_step_set_feature [2022-07-12 14:36:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_set_command_bit [2022-07-12 14:36:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_set_command_bit [2022-07-12 14:36:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2022-07-12 14:36:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2022-07-12 14:36:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:36:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:36:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:36:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-12 14:36:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2022-07-12 14:36:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2022-07-12 14:36:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 14:36:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 14:36:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 14:36:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 14:36:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:36:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_relinquish_port [2022-07-12 14:36:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_relinquish_port [2022-07-12 14:36:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_tt_buffer_complete [2022-07-12 14:36:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_tt_buffer_complete [2022-07-12 14:36:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure dbgp_reset_prep [2022-07-12 14:36:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgp_reset_prep [2022-07-12 14:36:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-07-12 14:36:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-07-12 14:36:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-07-12 14:36:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-07-12 14:36:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:36:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:36:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:36:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 14:36:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-07-12 14:36:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 14:36:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2022-07-12 14:36:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:36:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-12 14:36:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-12 14:36:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 14:36:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 14:36:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 14:36:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 14:36:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-07-12 14:36:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-07-12 14:36:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 14:36:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 14:36:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-07-12 14:36:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-07-12 14:36:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:36:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:36:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_run [2022-07-12 14:36:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_run [2022-07-12 14:36:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 14:36:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 14:36:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:36:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:36:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-07-12 14:36:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-07-12 14:36:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2022-07-12 14:36:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2022-07-12 14:36:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_writel [2022-07-12 14:36:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_writel [2022-07-12 14:36:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:36:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:36:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_readl [2022-07-12 14:36:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_readl [2022-07-12 14:36:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:36:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:36:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-07-12 14:36:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-07-12 14:36:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-07-12 14:36:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-07-12 14:36:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_find [2022-07-12 14:36:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_find [2022-07-12 14:36:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-07-12 14:36:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-07-12 14:36:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-07-12 14:36:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:36:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_intr_bandwidth [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_intr_bandwidth [2022-07-12 14:36:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_stop [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_stop [2022-07-12 14:36:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:36:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_periodic [2022-07-12 14:36:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_periodic [2022-07-12 14:36:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_enqueue [2022-07-12 14:36:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_enqueue [2022-07-12 14:36:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 14:36:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 14:36:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-12 14:36:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-12 14:36:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_shutdown [2022-07-12 14:36:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_shutdown [2022-07-12 14:36:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-12 14:36:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-12 14:36:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:36:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:36:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:36:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:36:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-07-12 14:36:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-07-12 14:36:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-12 14:36:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-12 14:36:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-12 14:36:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_hnp [2022-07-12 14:36:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_hnp [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:36:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-07-12 14:36:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:36:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2022-07-12 14:36:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2022-07-12 14:36:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure reserve_release_iso_bandwidth [2022-07-12 14:36:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reserve_release_iso_bandwidth [2022-07-12 14:36:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-12 14:36:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-12 14:36:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async [2022-07-12 14:36:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async [2022-07-12 14:36:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 14:36:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 14:36:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handover_companion_ports [2022-07-12 14:36:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handover_companion_ports [2022-07-12 14:36:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-07-12 14:36:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-07-12 14:36:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:36:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_port_power [2022-07-12 14:36:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_port_power [2022-07-12 14:36:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:36:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:36:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2022-07-12 14:36:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2022-07-12 14:36:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-07-12 14:36:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-07-12 14:36:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-12 14:36:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-12 14:36:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:36:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2022-07-12 14:36:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2022-07-12 14:36:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-12 14:36:00,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-12 14:36:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-12 14:36:00,617 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-12 14:36:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:36:00,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:36:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_dequeue [2022-07-12 14:36:00,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_dequeue [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_unlink_wait_intr [2022-07-12 14:36:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_unlink_wait_intr [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2022-07-12 14:36:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_controller_death [2022-07-12 14:36:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_controller_death [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_enable_event [2022-07-12 14:36:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_enable_event [2022-07-12 14:36:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-07-12 14:36:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_get_frame [2022-07-12 14:36:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_get_frame [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure iso_stream_schedule [2022-07-12 14:36:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_stream_schedule [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_resume [2022-07-12 14:36:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_resume [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_port_buf [2022-07-12 14:36:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_port_buf [2022-07-12 14:36:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-07-12 14:36:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-07-12 14:36:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-07-12 14:36:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-07-12 14:36:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_end_port_resume [2022-07-12 14:36:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_end_port_resume [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 14:36:00,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 14:36:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qh_alloc [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qh_alloc [2022-07-12 14:36:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_irq [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_irq [2022-07-12 14:36:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-12 14:36:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handshake [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handshake [2022-07-12 14:36:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_clear_command_bit [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_clear_command_bit [2022-07-12 14:36:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:36:00,621 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure bandwidth_dbg [2022-07-12 14:36:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bandwidth_dbg [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:36:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-12 14:36:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_start_port_resume [2022-07-12 14:36:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_start_port_resume [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:36:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_intr_unlinks [2022-07-12 14:36:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_intr_unlinks [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-12 14:36:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 14:36:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:36:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-07-12 14:36:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_handle_start_intr_unlinks [2022-07-12 14:36:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_handle_start_intr_unlinks [2022-07-12 14:36:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2022-07-12 14:36:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:36:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_ASS [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_ASS [2022-07-12 14:36:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 14:36:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-07-12 14:36:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_bus_suspend [2022-07-12 14:36:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_bus_suspend [2022-07-12 14:36:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-07-12 14:36:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-07-12 14:36:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-12 14:36:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-12 14:36:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 14:36:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 14:36:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-07-12 14:36:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-07-12 14:36:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2022-07-12 14:36:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_init [2022-07-12 14:36:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_init [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-12 14:36:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure set_owner [2022-07-12 14:36:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure set_owner [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-12 14:36:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-07-12 14:36:00,626 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-07-12 14:36:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 14:36:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-12 14:36:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ehci [2022-07-12 14:36:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ehci [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure find_tt [2022-07-12 14:36:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure find_tt [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:36:00,627 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:36:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_poll_PSS [2022-07-12 14:36:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_poll_PSS [2022-07-12 14:36:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-07-12 14:36:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-07-12 14:36:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-12 14:36:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-12 14:36:01,877 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:36:01,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:36:11,182 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:36:24,398 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:36:24,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:36:24,427 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:36:24,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:36:24 BoogieIcfgContainer [2022-07-12 14:36:24,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:36:24,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:36:24,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:36:24,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:36:24,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:35:55" (1/3) ... [2022-07-12 14:36:24,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b51797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:36:24, skipping insertion in model container [2022-07-12 14:36:24,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:35:59" (2/3) ... [2022-07-12 14:36:24,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b51797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:36:24, skipping insertion in model container [2022-07-12 14:36:24,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:36:24" (3/3) ... [2022-07-12 14:36:24,442 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ehci-hcd.ko-entry_point.cil.out.i [2022-07-12 14:36:24,454 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:36:24,454 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:36:24,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:36:24,572 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@16eb67cc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7db03393 [2022-07-12 14:36:24,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:36:24,589 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) [2022-07-12 14:36:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-07-12 14:36:24,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:36:24,626 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] [2022-07-12 14:36:24,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:36:24,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:36:24,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1297523344, now seen corresponding path program 1 times [2022-07-12 14:36:24,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:36:24,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581306827] [2022-07-12 14:36:24,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:36:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:36:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:36:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:36:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:36:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:36:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:36:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:36:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:36:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:36:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:36:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:36:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:36:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:36:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:36:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:36:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:36:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 14:36:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 14:36:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:36:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:36:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:36:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:36:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:36:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:36:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 14:36:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:36:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:36:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 14:36:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:36:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:36:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:36:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:36:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:36:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:36:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:36:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:36:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:36:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:36:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-12 14:36:26,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:36:26,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581306827] [2022-07-12 14:36:26,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581306827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:36:26,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:36:26,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:36:26,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974260832] [2022-07-12 14:36:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:36:26,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:36:26,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:36:26,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:36:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:36:26,749 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) [2022-07-12 14:36:33,454 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 [] [2022-07-12 14:36:36,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:38,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:43,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:52,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:55,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:57,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:37:01,146 INFO L93 Difference]: Finished difference Result 17986 states and 28711 transitions. [2022-07-12 14:37:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:37:01,149 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 [2022-07-12 14:37:01,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:37:01,257 INFO L225 Difference]: With dead ends: 17986 [2022-07-12 14:37:01,257 INFO L226 Difference]: Without dead ends: 12319 [2022-07-12 14:37:01,318 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 [2022-07-12 14:37:01,321 INFO L413 NwaCegarLoop]: 8988 mSDtfsCounter, 16315 mSDsluCounter, 10703 mSDsCounter, 0 mSdLazyCounter, 6977 mSolverCounterSat, 11688 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17486 SdHoareTripleChecker+Valid, 19691 SdHoareTripleChecker+Invalid, 18672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11688 IncrementalHoareTripleChecker+Valid, 6977 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:37:01,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17486 Valid, 19691 Invalid, 18672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11688 Valid, 6977 Invalid, 7 Unknown, 0 Unchecked, 33.3s Time] [2022-07-12 14:37:01,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12319 states. [2022-07-12 14:37:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12319 to 11041. [2022-07-12 14:37:01,914 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) [2022-07-12 14:37:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11041 states to 11041 states and 16518 transitions. [2022-07-12 14:37:01,972 INFO L78 Accepts]: Start accepts. Automaton has 11041 states and 16518 transitions. Word has length 499 [2022-07-12 14:37:01,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:37:01,975 INFO L495 AbstractCegarLoop]: Abstraction has 11041 states and 16518 transitions. [2022-07-12 14:37:01,976 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) [2022-07-12 14:37:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 11041 states and 16518 transitions. [2022-07-12 14:37:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-07-12 14:37:01,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:37:01,986 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] [2022-07-12 14:37:01,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:37:01,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:37:01,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:37:01,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2048203719, now seen corresponding path program 1 times [2022-07-12 14:37:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:37:01,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212393897] [2022-07-12 14:37:01,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:37:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:37:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:37:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:37:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:37:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:37:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:37:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:37:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:37:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:37:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:37:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:37:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:37:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:37:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:37:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:37:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:37:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 14:37:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 14:37:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:37:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:37:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:37:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:37:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:37:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:37:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 14:37:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:37:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:37:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 14:37:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:37:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:37:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:37:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:37:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:37:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:37:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:37:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:37:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:37:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:37:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-12 14:37:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:37:03,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212393897] [2022-07-12 14:37:03,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212393897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:37:03,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:37:03,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:37:03,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736779773] [2022-07-12 14:37:03,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:37:03,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:37:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:37:03,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:37:03,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:37:03,366 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) [2022-07-12 14:37:11,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:13,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:16,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:19,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:29,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:31,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:33,969 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 [] [2022-07-12 14:37:39,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:37:39,148 INFO L93 Difference]: Finished difference Result 35392 states and 53451 transitions. [2022-07-12 14:37:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:37:39,152 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 [2022-07-12 14:37:39,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:37:39,311 INFO L225 Difference]: With dead ends: 35392 [2022-07-12 14:37:39,311 INFO L226 Difference]: Without dead ends: 24433 [2022-07-12 14:37:39,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:37:39,379 INFO L413 NwaCegarLoop]: 8967 mSDtfsCounter, 16227 mSDsluCounter, 10646 mSDsCounter, 0 mSdLazyCounter, 6953 mSolverCounterSat, 11620 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17392 SdHoareTripleChecker+Valid, 19613 SdHoareTripleChecker+Invalid, 18580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11620 IncrementalHoareTripleChecker+Valid, 6953 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:37:39,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17392 Valid, 19613 Invalid, 18580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11620 Valid, 6953 Invalid, 7 Unknown, 0 Unchecked, 34.6s Time] [2022-07-12 14:37:39,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24433 states. [2022-07-12 14:37:40,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24433 to 21869. [2022-07-12 14:37:40,193 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) [2022-07-12 14:37:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21869 states to 21869 states and 32721 transitions. [2022-07-12 14:37:40,283 INFO L78 Accepts]: Start accepts. Automaton has 21869 states and 32721 transitions. Word has length 501 [2022-07-12 14:37:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:37:40,286 INFO L495 AbstractCegarLoop]: Abstraction has 21869 states and 32721 transitions. [2022-07-12 14:37:40,286 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) [2022-07-12 14:37:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21869 states and 32721 transitions. [2022-07-12 14:37:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-12 14:37:40,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:37:40,294 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] [2022-07-12 14:37:40,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:37:40,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:37:40,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:37:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash -413335809, now seen corresponding path program 1 times [2022-07-12 14:37:40,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:37:40,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842769428] [2022-07-12 14:37:40,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:37:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:37:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:37:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:37:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:37:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:37:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:37:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:37:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:37:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:37:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:37:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:37:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:37:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:37:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:37:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:37:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:37:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 14:37:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 14:37:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:37:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:37:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:37:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:37:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:37:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:37:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 14:37:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:37:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:37:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 14:37:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:37:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:37:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:37:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:37:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:37:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:37:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:37:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:37:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:37:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:37:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-12 14:37:41,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:37:41,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842769428] [2022-07-12 14:37:41,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842769428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:37:41,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:37:41,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:37:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286731569] [2022-07-12 14:37:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:37:41,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:37:41,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:37:41,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:37:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:37:41,389 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) [2022-07-12 14:37:50,784 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 [] [2022-07-12 14:37:52,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:54,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:58,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:00,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:02,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:04,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:10,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:12,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:14,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:16,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:30,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:32,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:35,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:37,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:39,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:41,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:38:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:38:49,258 INFO L93 Difference]: Finished difference Result 70447 states and 106361 transitions. [2022-07-12 14:38:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:38:49,258 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 [2022-07-12 14:38:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:38:49,830 INFO L225 Difference]: With dead ends: 70447 [2022-07-12 14:38:49,831 INFO L226 Difference]: Without dead ends: 48660 [2022-07-12 14:38:49,898 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 [2022-07-12 14:38:49,901 INFO L413 NwaCegarLoop]: 9011 mSDtfsCounter, 12694 mSDsluCounter, 17634 mSDsCounter, 0 mSdLazyCounter, 13129 mSolverCounterSat, 7802 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13857 SdHoareTripleChecker+Valid, 26645 SdHoareTripleChecker+Invalid, 20946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7802 IncrementalHoareTripleChecker+Valid, 13129 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:38:49,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13857 Valid, 26645 Invalid, 20946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7802 Valid, 13129 Invalid, 15 Unknown, 0 Unchecked, 66.3s Time] [2022-07-12 14:38:49,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48660 states. [2022-07-12 14:38:51,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48660 to 43547. [2022-07-12 14:38:51,415 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) [2022-07-12 14:38:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43547 states to 43547 states and 65149 transitions. [2022-07-12 14:38:51,611 INFO L78 Accepts]: Start accepts. Automaton has 43547 states and 65149 transitions. Word has length 504 [2022-07-12 14:38:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:38:51,612 INFO L495 AbstractCegarLoop]: Abstraction has 43547 states and 65149 transitions. [2022-07-12 14:38:51,613 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) [2022-07-12 14:38:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 43547 states and 65149 transitions. [2022-07-12 14:38:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-12 14:38:51,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:38:51,616 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] [2022-07-12 14:38:51,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:38:51,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:38:51,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:38:51,617 INFO L85 PathProgramCache]: Analyzing trace with hash -580929892, now seen corresponding path program 1 times [2022-07-12 14:38:51,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:38:51,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976337632] [2022-07-12 14:38:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:38:51,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:38:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:38:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:38:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:38:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:38:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:38:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:38:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:38:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:38:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:38:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:38:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:38:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:38:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:38:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:38:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:38:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:38:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 14:38:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 14:38:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:38:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:38:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:38:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:38:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:38:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:38:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 14:38:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:38:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:38:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 14:38:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:38:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:38:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:38:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:38:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:38:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:38:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:38:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:38:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:38:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:38:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:38:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:38:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-12 14:38:52,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:38:52,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976337632] [2022-07-12 14:38:52,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976337632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:38:52,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:38:52,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:38:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077874443] [2022-07-12 14:38:52,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:38:52,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:38:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:38:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:38:52,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:38:52,736 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) [2022-07-12 14:38:59,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:02,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:04,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:08,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:39:21,092 INFO L93 Difference]: Finished difference Result 140191 states and 211650 transitions. [2022-07-12 14:39:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:39:21,093 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 506 [2022-07-12 14:39:21,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:39:21,747 INFO L225 Difference]: With dead ends: 140191 [2022-07-12 14:39:21,747 INFO L226 Difference]: Without dead ends: 96726 [2022-07-12 14:39:21,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:39:21,896 INFO L413 NwaCegarLoop]: 9020 mSDtfsCounter, 16097 mSDsluCounter, 10761 mSDsCounter, 0 mSdLazyCounter, 6985 mSolverCounterSat, 11540 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17266 SdHoareTripleChecker+Valid, 19781 SdHoareTripleChecker+Invalid, 18529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11540 IncrementalHoareTripleChecker+Valid, 6985 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:39:21,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17266 Valid, 19781 Invalid, 18529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11540 Valid, 6985 Invalid, 4 Unknown, 0 Unchecked, 25.8s Time] [2022-07-12 14:39:21,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96726 states. [2022-07-12 14:39:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96726 to 86512. [2022-07-12 14:39:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86512 states, 62227 states have (on average 1.3890915518986935) internal successors, (86439), 64377 states have internal predecessors, (86439), 21484 states have call successors, (21484), 2799 states have call predecessors, (21484), 2800 states have return successors, (21530), 20821 states have call predecessors, (21530), 21482 states have call successors, (21530) [2022-07-12 14:39:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86512 states to 86512 states and 129453 transitions. [2022-07-12 14:39:25,928 INFO L78 Accepts]: Start accepts. Automaton has 86512 states and 129453 transitions. Word has length 506 [2022-07-12 14:39:25,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:39:25,929 INFO L495 AbstractCegarLoop]: Abstraction has 86512 states and 129453 transitions. [2022-07-12 14:39:25,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 14:39:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86512 states and 129453 transitions. [2022-07-12 14:39:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-07-12 14:39:25,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:39:25,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:39:25,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:39:25,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:39:25,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:39:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash 698750643, now seen corresponding path program 1 times [2022-07-12 14:39:25,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:39:25,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632943598] [2022-07-12 14:39:25,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:39:25,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:39:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:39:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:39:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:39:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:39:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:39:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:39:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:39:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:39:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:39:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:39:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:39:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:39:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:39:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:39:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:39:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:39:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-12 14:39:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 14:39:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:39:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:39:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:39:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:39:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:39:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-12 14:39:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 14:39:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:39:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-12 14:39:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 14:39:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:39:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 14:39:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:39:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 14:39:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:39:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:39:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 14:39:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:39:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 14:39:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:39:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:39:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 14:39:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-12 14:39:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:39:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3549 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3549 trivial. 0 not checked. [2022-07-12 14:39:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:39:27,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632943598] [2022-07-12 14:39:27,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632943598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:39:27,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:39:27,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:39:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601412758] [2022-07-12 14:39:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:39:27,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:39:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:39:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:39:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:39:27,026 INFO L87 Difference]: Start difference. First operand 86512 states and 129453 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 14:39:42,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:44,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:47,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:49,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:51,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:53,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:39:59,713 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 []