./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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:24:36,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:24:36,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:24:36,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:24:36,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:24:36,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:24:36,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:24:36,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:24:36,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:24:36,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:24:36,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:24:36,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:24:36,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:24:36,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:24:36,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:24:36,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:24:36,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:24:36,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:24:36,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:24:36,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:24:36,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:24:36,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:24:36,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:24:36,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:24:36,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:24:36,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:24:36,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:24:36,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:24:36,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:24:36,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:24:36,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:24:36,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:24:36,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:24:36,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:24:36,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:24:36,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:24:36,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:24:36,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:24:36,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:24:36,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:24:36,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:24:36,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:24:36,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:24:36,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:24:36,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:24:36,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:24:36,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:24:36,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:24:36,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:24:36,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:24:36,754 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:24:36,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:24:36,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:24:36,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:24:36,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:24:36,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:24:36,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:24:36,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:24:36,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:24:36,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:24:36,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:24:36,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:24:36,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:24:36,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:24:36,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:24:36,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:24:36,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:24:36,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:24:36,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:24:36,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:24:36,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:24:36,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:24:36,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:24:36,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2021-11-17 05:24:37,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:24:37,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:24:37,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:24:37,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:24:37,047 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:24:37,048 INFO L432 ainManager$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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 05:24:37,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5991d186/2991a1042aa84e058db55a42597aecf4/FLAG987000cc0 [2021-11-17 05:24:38,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:24:38,120 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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 05:24:38,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5991d186/2991a1042aa84e058db55a42597aecf4/FLAG987000cc0 [2021-11-17 05:24:38,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5991d186/2991a1042aa84e058db55a42597aecf4 [2021-11-17 05:24:38,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:24:38,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:24:38,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:24:38,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:24:38,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:24:38,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:24:38" (1/1) ... [2021-11-17 05:24:38,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e492929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:38, skipping insertion in model container [2021-11-17 05:24:38,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:24:38" (1/1) ... [2021-11-17 05:24:38,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:24:38,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:24:43,527 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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-11-17 05:24:43,601 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:24:43,682 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:24:44,206 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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-11-17 05:24:44,213 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:24:44,683 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:24:44,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44 WrapperNode [2021-11-17 05:24:44,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:24:44,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:24:44,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:24:44,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:24:44,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:44,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,351 INFO L137 Inliner]: procedures = 678, calls = 7466, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15382 [2021-11-17 05:24:45,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:24:45,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:24:45,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:24:45,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:24:45,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:45,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:46,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:24:46,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:24:46,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:24:46,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:24:46,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (1/1) ... [2021-11-17 05:24:46,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:24:46,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:24:46,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 05:24:46,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 05:24:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 05:24:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 05:24:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-17 05:24:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-17 05:24:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 05:24:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:24:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:24:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 05:24:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 05:24:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-17 05:24:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-17 05:24:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 05:24:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 05:24:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 05:24:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 05:24:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:24:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:24:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-17 05:24:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-17 05:24:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:24:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:24:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-17 05:24:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-17 05:24:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-17 05:24:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-17 05:24:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-17 05:24:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-17 05:24:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-17 05:24:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-17 05:24:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 05:24:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 05:24:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-17 05:24:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-17 05:24:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2021-11-17 05:24:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2021-11-17 05:24:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-17 05:24:46,208 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-17 05:24:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 05:24:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 05:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-11-17 05:24:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-11-17 05:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 05:24:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 05:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 05:24:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 05:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 05:24:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 05:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 05:24:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 05:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:24:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-17 05:24:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-17 05:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-17 05:24:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-17 05:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:24:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:24:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-17 05:24:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-17 05:24:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-17 05:24:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-17 05:24:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-17 05:24:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-17 05:24:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-17 05:24:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-17 05:24:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-17 05:24:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-17 05:24:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-17 05:24:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-17 05:24:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 05:24:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 05:24:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-17 05:24:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-17 05:24:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 05:24:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 05:24:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 05:24:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 05:24:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-17 05:24:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-17 05:24:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 05:24:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 05:24:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-17 05:24:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-17 05:24:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-17 05:24:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-17 05:24:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 05:24:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 05:24:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 05:24:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 05:24:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:24:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 05:24:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 05:24:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-17 05:24:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-17 05:24:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-17 05:24:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-17 05:24:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-17 05:24:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-17 05:24:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-17 05:24:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-17 05:24:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-17 05:24:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-17 05:24:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-17 05:24:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-17 05:24:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 05:24:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 05:24:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-17 05:24:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-17 05:24:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-17 05:24:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-17 05:24:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-17 05:24:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-17 05:24:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 05:24:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 05:24:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-17 05:24:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-17 05:24:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 05:24:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 05:24:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-17 05:24:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-17 05:24:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-17 05:24:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-17 05:24:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:24:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-17 05:24:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-17 05:24:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 05:24:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 05:24:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 05:24:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 05:24:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:24:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:24:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-17 05:24:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-17 05:24:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2021-11-17 05:24:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-17 05:24:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-17 05:24:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-17 05:24:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-17 05:24:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-17 05:24:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:24:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 05:24:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 05:24:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-17 05:24:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-17 05:24:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-17 05:24:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-17 05:24:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-11-17 05:24:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-11-17 05:24:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:24:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:24:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 05:24:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 05:24:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-17 05:24:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-17 05:24:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-17 05:24:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-17 05:24:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:24:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:24:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-17 05:24:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-17 05:24:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 05:24:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 05:24:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 05:24:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 05:24:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-17 05:24:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-17 05:24:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-17 05:24:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-17 05:24:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 05:24:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 05:24:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 05:24:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 05:24:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-17 05:24:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-17 05:24:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-17 05:24:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-17 05:24:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2021-11-17 05:24:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2021-11-17 05:24:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:24:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:24:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-17 05:24:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-17 05:24:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:24:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-17 05:24:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-17 05:24:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 05:24:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-17 05:24:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-17 05:24:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-17 05:24:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-17 05:24:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:24:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 05:24:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-17 05:24:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 05:24:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-17 05:24:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-17 05:24:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 05:24:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 05:24:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-17 05:24:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-17 05:24:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:24:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:24:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-17 05:24:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-17 05:24:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-11-17 05:24:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-11-17 05:24:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 05:24:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 05:24:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-17 05:24:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-17 05:24:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 05:24:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 05:24:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-17 05:24:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-17 05:24:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-17 05:24:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-17 05:24:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 05:24:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 05:24:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-17 05:24:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-17 05:24:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 05:24:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 05:24:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-17 05:24:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-17 05:24:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 05:24:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 05:24:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 05:24:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 05:24:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-17 05:24:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-17 05:24:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-17 05:24:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-17 05:24:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 05:24:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 05:24:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-17 05:24:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-17 05:24:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 05:24:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 05:24:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 05:24:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 05:24:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2021-11-17 05:24:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2021-11-17 05:24:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-17 05:24:46,279 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-17 05:24:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:24:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:24:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-17 05:24:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-17 05:24:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-17 05:24:46,280 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-17 05:24:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-17 05:24:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-17 05:24:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-17 05:24:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-17 05:24:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 05:24:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 05:24:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-17 05:24:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-17 05:24:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:24:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:24:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:24:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:24:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-17 05:24:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-17 05:24:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 05:24:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 05:24:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:24:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:24:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-17 05:24:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-17 05:24:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 05:24:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 05:24:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 05:24:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 05:24:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 05:24:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 05:24:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-17 05:24:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-17 05:24:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2021-11-17 05:24:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2021-11-17 05:24:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 05:24:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-17 05:24:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-17 05:24:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 05:24:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 05:24:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 05:24:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 05:24:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-17 05:24:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-17 05:24:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-17 05:24:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-17 05:24:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-17 05:24:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-17 05:24:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-17 05:24:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-17 05:24:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-17 05:24:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-17 05:24:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 05:24:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 05:24:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:24:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:24:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-17 05:24:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-17 05:24:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 05:24:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 05:24:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 05:24:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 05:24:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-17 05:24:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-17 05:24:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 05:24:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 05:24:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:24:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:24:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-17 05:24:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-17 05:24:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-17 05:24:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-17 05:24:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:24:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:24:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-17 05:24:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-17 05:24:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 05:24:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 05:24:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-17 05:24:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-17 05:24:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-17 05:24:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-17 05:24:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 05:24:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 05:24:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-17 05:24:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-17 05:24:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 05:24:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 05:24:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-17 05:24:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-17 05:24:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:24:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 05:24:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 05:24:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-17 05:24:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-17 05:24:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 05:24:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 05:24:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-17 05:24:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-17 05:24:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 05:24:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 05:24:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-17 05:24:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-17 05:24:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-17 05:24:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-17 05:24:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2021-11-17 05:24:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2021-11-17 05:24:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:24:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-17 05:24:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-17 05:24:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-17 05:24:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-17 05:24:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-17 05:24:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-17 05:24:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:24:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:24:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-17 05:24:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-17 05:24:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 05:24:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-11-17 05:24:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-11-17 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-17 05:24:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-17 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-17 05:24:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-17 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 05:24:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-17 05:24:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-17 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 05:24:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 05:24:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 05:24:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-17 05:24:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-17 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-17 05:24:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-17 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 05:24:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 05:24:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-17 05:24:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-17 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 05:24:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 05:24:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 05:24:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 05:24:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 05:24:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 05:24:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-17 05:24:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-17 05:24:46,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 05:24:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-17 05:24:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-17 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-17 05:24:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-17 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:24:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 05:24:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-17 05:24:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-17 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:24:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-17 05:24:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-17 05:24:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-17 05:24:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-17 05:24:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:24:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 05:24:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 05:24:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 05:24:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 05:24:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:24:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:24:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-17 05:24:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-17 05:24:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-17 05:24:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-17 05:24:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-17 05:24:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-17 05:24:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:24:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:24:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 05:24:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 05:24:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-17 05:24:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-17 05:24:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-17 05:24:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-17 05:24:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 05:24:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 05:24:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-17 05:24:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-17 05:24:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-17 05:24:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-17 05:24:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 05:24:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 05:24:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 05:24:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 05:24:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-17 05:24:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-17 05:24:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 05:24:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 05:24:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-17 05:24:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-17 05:24:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-17 05:24:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-17 05:24:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 05:24:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 05:24:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 05:24:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 05:24:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2021-11-17 05:24:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2021-11-17 05:24:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-17 05:24:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-17 05:24:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-11-17 05:24:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-11-17 05:24:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2021-11-17 05:24:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2021-11-17 05:24:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-17 05:24:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-17 05:24:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-17 05:24:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-17 05:24:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-17 05:24:46,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-17 05:24:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:24:46,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:24:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-17 05:24:46,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-17 05:24:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 05:24:46,312 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 05:24:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-17 05:24:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-17 05:24:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-17 05:24:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-17 05:24:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-17 05:24:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-17 05:24:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-17 05:24:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-17 05:24:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 05:24:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 05:24:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 05:24:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 05:24:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2021-11-17 05:24:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2021-11-17 05:24:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:24:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-17 05:24:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-17 05:24:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-17 05:24:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-17 05:24:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-17 05:24:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-17 05:24:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-17 05:24:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-17 05:24:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-17 05:24:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-17 05:24:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-17 05:24:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-17 05:24:47,699 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:24:47,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:24:47,841 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:25:12,593 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:25:12,621 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:25:12,621 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 05:25:12,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:25:12 BoogieIcfgContainer [2021-11-17 05:25:12,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:25:12,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:25:12,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:25:12,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:25:12,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:24:38" (1/3) ... [2021-11-17 05:25:12,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7fdeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:25:12, skipping insertion in model container [2021-11-17 05:25:12,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:24:44" (2/3) ... [2021-11-17 05:25:12,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7fdeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:25:12, skipping insertion in model container [2021-11-17 05:25:12,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:25:12" (3/3) ... [2021-11-17 05:25:12,633 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 05:25:12,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:25:12,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:25:12,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:25:12,711 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 05:25:12,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:25:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-11-17 05:25:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-17 05:25:12,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:25:12,836 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:25:12,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:25:12,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:25:12,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1458872952, now seen corresponding path program 1 times [2021-11-17 05:25:12,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:25:12,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400194316] [2021-11-17 05:25:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:25:12,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:25:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:25:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:25:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:25:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:25:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:25:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:25:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:25:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:25:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:25:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:25:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:25:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:25:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 05:25:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 05:25:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 05:25:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-17 05:25:14,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:25:14,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400194316] [2021-11-17 05:25:14,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400194316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:25:14,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:25:14,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:25:14,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149700796] [2021-11-17 05:25:14,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:25:14,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:25:14,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:25:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:25:14,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:25:14,198 INFO L87 Difference]: Start difference. First operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 05:25:16,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:26,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:28,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:30,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:33,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:39,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:42,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:25:44,046 INFO L93 Difference]: Finished difference Result 11667 states and 17586 transitions. [2021-11-17 05:25:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 05:25:44,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-11-17 05:25:44,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:25:44,115 INFO L225 Difference]: With dead ends: 11667 [2021-11-17 05:25:44,116 INFO L226 Difference]: Without dead ends: 6338 [2021-11-17 05:25:44,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:25:44,151 INFO L933 BasicCegarLoop]: 7240 mSDtfsCounter, 8098 mSDsluCounter, 3482 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 7579 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8524 SdHoareTripleChecker+Valid, 10722 SdHoareTripleChecker+Invalid, 10788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7579 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:25:44,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8524 Valid, 10722 Invalid, 10788 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7579 Valid, 3203 Invalid, 6 Unknown, 0 Unchecked, 29.1s Time] [2021-11-17 05:25:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2021-11-17 05:25:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 5261. [2021-11-17 05:25:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3737 states have (on average 1.3767728124163767) internal successors, (5145), 3806 states have internal predecessors, (5145), 1276 states have call successors, (1276), 248 states have call predecessors, (1276), 247 states have return successors, (1274), 1260 states have call predecessors, (1274), 1274 states have call successors, (1274) [2021-11-17 05:25:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7695 transitions. [2021-11-17 05:25:44,586 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7695 transitions. Word has length 233 [2021-11-17 05:25:44,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:25:44,587 INFO L470 AbstractCegarLoop]: Abstraction has 5261 states and 7695 transitions. [2021-11-17 05:25:44,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 05:25:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7695 transitions. [2021-11-17 05:25:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-17 05:25:44,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:25:44,605 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:25:44,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 05:25:44,606 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:25:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:25:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1885564374, now seen corresponding path program 1 times [2021-11-17 05:25:44,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:25:44,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859250731] [2021-11-17 05:25:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:25:44,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:25:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:25:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:25:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:25:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:25:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:25:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:25:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:25:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:25:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:25:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:25:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:25:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:25:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:25:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 05:25:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 05:25:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 05:25:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 05:25:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 05:25:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:25:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 05:25:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:25:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-11-17 05:25:45,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:25:45,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859250731] [2021-11-17 05:25:45,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859250731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:25:45,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:25:45,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:25:45,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083623652] [2021-11-17 05:25:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:25:45,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:25:45,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:25:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:25:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:25:45,537 INFO L87 Difference]: Start difference. First operand 5261 states and 7695 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 05:25:47,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:49,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:25:51,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:05,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:07,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:09,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:12,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:14,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:16,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:18,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:19,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:21,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:33,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:35,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:37,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:39,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:43,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:45,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:49,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:51,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:53,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:56,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:26:58,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:00,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:05,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:07,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:27:11,339 INFO L93 Difference]: Finished difference Result 17706 states and 26644 transitions. [2021-11-17 05:27:11,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:27:11,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 260 [2021-11-17 05:27:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:27:11,419 INFO L225 Difference]: With dead ends: 17706 [2021-11-17 05:27:11,420 INFO L226 Difference]: Without dead ends: 12478 [2021-11-17 05:27:11,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:27:11,449 INFO L933 BasicCegarLoop]: 8127 mSDtfsCounter, 18557 mSDsluCounter, 15582 mSDsCounter, 0 mSdLazyCounter, 12654 mSolverCounterSat, 12159 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19693 SdHoareTripleChecker+Valid, 23709 SdHoareTripleChecker+Invalid, 24833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12159 IncrementalHoareTripleChecker+Valid, 12654 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.6s IncrementalHoareTripleChecker+Time [2021-11-17 05:27:11,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19693 Valid, 23709 Invalid, 24833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12159 Valid, 12654 Invalid, 20 Unknown, 0 Unchecked, 84.6s Time] [2021-11-17 05:27:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12478 states. [2021-11-17 05:27:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12478 to 10345. [2021-11-17 05:27:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10345 states, 7363 states have (on average 1.3781067499660464) internal successors, (10147), 7499 states have internal predecessors, (10147), 2491 states have call successors, (2491), 491 states have call predecessors, (2491), 490 states have return successors, (2491), 2460 states have call predecessors, (2491), 2489 states have call successors, (2491) [2021-11-17 05:27:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10345 states to 10345 states and 15129 transitions. [2021-11-17 05:27:11,985 INFO L78 Accepts]: Start accepts. Automaton has 10345 states and 15129 transitions. Word has length 260 [2021-11-17 05:27:11,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:27:11,988 INFO L470 AbstractCegarLoop]: Abstraction has 10345 states and 15129 transitions. [2021-11-17 05:27:11,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 05:27:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 10345 states and 15129 transitions. [2021-11-17 05:27:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-17 05:27:12,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:27:12,002 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:27:12,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:27:12,003 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:27:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:27:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -197810366, now seen corresponding path program 1 times [2021-11-17 05:27:12,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:27:12,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932548276] [2021-11-17 05:27:12,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:27:12,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:27:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:27:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:27:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:27:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:27:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:27:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:27:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:27:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:27:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:27:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:27:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:27:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:27:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 05:27:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 05:27:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 05:27:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-17 05:27:12,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:27:12,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932548276] [2021-11-17 05:27:12,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932548276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:27:12,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:27:12,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:27:12,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455071765] [2021-11-17 05:27:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:27:12,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:27:12,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:27:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:27:12,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:27:12,723 INFO L87 Difference]: Start difference. First operand 10345 states and 15129 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 05:27:14,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:29,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:31,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:34,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:43,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:49,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:50,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:27:50,566 INFO L93 Difference]: Finished difference Result 34492 states and 51865 transitions. [2021-11-17 05:27:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:27:50,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-11-17 05:27:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:27:50,698 INFO L225 Difference]: With dead ends: 34492 [2021-11-17 05:27:50,699 INFO L226 Difference]: Without dead ends: 24180 [2021-11-17 05:27:50,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:27:50,753 INFO L933 BasicCegarLoop]: 9196 mSDtfsCounter, 17757 mSDsluCounter, 10100 mSDsCounter, 0 mSdLazyCounter, 8084 mSolverCounterSat, 11763 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18864 SdHoareTripleChecker+Valid, 19296 SdHoareTripleChecker+Invalid, 19852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11763 IncrementalHoareTripleChecker+Valid, 8084 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:27:50,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18864 Valid, 19296 Invalid, 19852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11763 Valid, 8084 Invalid, 5 Unknown, 0 Unchecked, 36.5s Time] [2021-11-17 05:27:50,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24180 states. [2021-11-17 05:27:51,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24180 to 20009. [2021-11-17 05:27:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 14240 states have (on average 1.3776685393258428) internal successors, (19618), 14521 states have internal predecessors, (19618), 4806 states have call successors, (4806), 965 states have call predecessors, (4806), 962 states have return successors, (4812), 4734 states have call predecessors, (4812), 4804 states have call successors, (4812) [2021-11-17 05:27:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 29236 transitions. [2021-11-17 05:27:51,759 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 29236 transitions. Word has length 233 [2021-11-17 05:27:51,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:27:51,759 INFO L470 AbstractCegarLoop]: Abstraction has 20009 states and 29236 transitions. [2021-11-17 05:27:51,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 05:27:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 29236 transitions. [2021-11-17 05:27:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-17 05:27:51,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:27:51,777 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:27:51,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 05:27:51,777 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:27:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:27:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1692870570, now seen corresponding path program 1 times [2021-11-17 05:27:51,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:27:51,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411520751] [2021-11-17 05:27:51,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:27:51,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:27:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:27:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:27:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:27:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:27:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:27:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:27:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:27:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:27:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:27:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:27:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:27:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:27:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:27:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 05:27:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 05:27:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:27:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 05:27:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 05:27:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 05:27:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 05:27:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 05:27:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 05:27:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 05:27:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:27:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 05:27:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:27:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:27:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 05:27:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 05:27:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 05:27:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:27:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:27:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-11-17 05:27:52,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:27:52,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411520751] [2021-11-17 05:27:52,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411520751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:27:52,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:27:52,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:27:52,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012941724] [2021-11-17 05:27:52,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:27:52,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:27:52,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:27:52,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:27:52,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:27:52,680 INFO L87 Difference]: Start difference. First operand 20009 states and 29236 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 05:27:54,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:27:56,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:11,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:12,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:14,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:28,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:30,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:32,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:35,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:41,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:28:41,116 INFO L93 Difference]: Finished difference Result 72055 states and 108973 transitions. [2021-11-17 05:28:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:28:41,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 297 [2021-11-17 05:28:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:28:41,404 INFO L225 Difference]: With dead ends: 72055 [2021-11-17 05:28:41,404 INFO L226 Difference]: Without dead ends: 52079 [2021-11-17 05:28:41,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:28:41,486 INFO L933 BasicCegarLoop]: 10957 mSDtfsCounter, 18402 mSDsluCounter, 15953 mSDsCounter, 0 mSdLazyCounter, 11386 mSolverCounterSat, 12458 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19509 SdHoareTripleChecker+Valid, 26910 SdHoareTripleChecker+Invalid, 23851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12458 IncrementalHoareTripleChecker+Valid, 11386 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:28:41,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19509 Valid, 26910 Invalid, 23851 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12458 Valid, 11386 Invalid, 7 Unknown, 0 Unchecked, 46.2s Time] [2021-11-17 05:28:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52079 states. [2021-11-17 05:28:43,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52079 to 39587. [2021-11-17 05:28:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39587 states, 28262 states have (on average 1.3790248390064397) internal successors, (38974), 28833 states have internal predecessors, (38974), 9380 states have call successors, (9380), 1843 states have call predecessors, (9380), 1944 states have return successors, (9922), 9322 states have call predecessors, (9922), 9378 states have call successors, (9922) [2021-11-17 05:28:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39587 states to 39587 states and 58276 transitions. [2021-11-17 05:28:43,762 INFO L78 Accepts]: Start accepts. Automaton has 39587 states and 58276 transitions. Word has length 297 [2021-11-17 05:28:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:28:43,762 INFO L470 AbstractCegarLoop]: Abstraction has 39587 states and 58276 transitions. [2021-11-17 05:28:43,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 05:28:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 39587 states and 58276 transitions. [2021-11-17 05:28:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-17 05:28:43,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:28:43,795 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:28:43,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 05:28:43,795 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:28:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:28:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1078320784, now seen corresponding path program 1 times [2021-11-17 05:28:43,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:28:43,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136748889] [2021-11-17 05:28:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:28:43,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:28:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:28:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:28:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:28:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:28:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:28:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:28:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:28:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:28:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:28:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:28:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:28:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:28:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:28:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:28:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:28:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:28:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:28:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:28:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 05:28:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 05:28:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-17 05:28:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 05:28:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:28:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:28:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 05:28:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 05:28:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 05:28:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 05:28:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 05:28:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:28:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 05:28:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 05:28:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 05:28:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 05:28:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 05:28:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:28:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-11-17 05:28:44,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:28:44,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136748889] [2021-11-17 05:28:44,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136748889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:28:44,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:28:44,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:28:44,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175522812] [2021-11-17 05:28:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:28:44,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:28:44,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:28:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:28:44,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:28:44,561 INFO L87 Difference]: Start difference. First operand 39587 states and 58276 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 05:28:46,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:48,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:28:59,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:01,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:02,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:03,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:09,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:11,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:14,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:29:22,538 INFO L93 Difference]: Finished difference Result 103741 states and 155758 transitions. [2021-11-17 05:29:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:29:22,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 335 [2021-11-17 05:29:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:29:22,851 INFO L225 Difference]: With dead ends: 103741 [2021-11-17 05:29:22,851 INFO L226 Difference]: Without dead ends: 64187 [2021-11-17 05:29:23,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:29:23,017 INFO L933 BasicCegarLoop]: 7544 mSDtfsCounter, 22153 mSDsluCounter, 8483 mSDsCounter, 0 mSdLazyCounter, 7436 mSolverCounterSat, 14185 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23193 SdHoareTripleChecker+Valid, 16027 SdHoareTripleChecker+Invalid, 21627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14185 IncrementalHoareTripleChecker+Valid, 7436 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:29:23,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23193 Valid, 16027 Invalid, 21627 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14185 Valid, 7436 Invalid, 6 Unknown, 0 Unchecked, 35.3s Time] [2021-11-17 05:29:23,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64187 states. [2021-11-17 05:29:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64187 to 47876. [2021-11-17 05:29:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47876 states, 34220 states have (on average 1.3737580362361193) internal successors, (47010), 34905 states have internal predecessors, (47010), 11181 states have call successors, (11181), 2372 states have call predecessors, (11181), 2474 states have return successors, (11519), 11103 states have call predecessors, (11519), 11179 states have call successors, (11519) [2021-11-17 05:29:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47876 states to 47876 states and 69710 transitions. [2021-11-17 05:29:25,861 INFO L78 Accepts]: Start accepts. Automaton has 47876 states and 69710 transitions. Word has length 335 [2021-11-17 05:29:25,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:29:25,862 INFO L470 AbstractCegarLoop]: Abstraction has 47876 states and 69710 transitions. [2021-11-17 05:29:25,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 05:29:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 47876 states and 69710 transitions. [2021-11-17 05:29:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-17 05:29:25,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:29:25,898 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:29:25,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 05:29:25,898 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:29:25,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:29:25,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1816299597, now seen corresponding path program 1 times [2021-11-17 05:29:25,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:29:25,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346650181] [2021-11-17 05:29:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:29:25,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:29:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:29:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:29:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:29:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:29:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:29:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:29:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:29:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:29:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:29:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:29:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:29:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:29:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:29:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:29:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:29:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 05:29:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:29:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 05:29:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 05:29:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 05:29:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:29:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 05:29:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:29:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:29:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:29:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 05:29:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:29:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 05:29:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:29:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2021-11-17 05:29:27,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:29:27,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346650181] [2021-11-17 05:29:27,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346650181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:29:27,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:29:27,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:29:27,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042011805] [2021-11-17 05:29:27,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:29:27,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:29:27,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:29:27,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:29:27,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:29:27,018 INFO L87 Difference]: Start difference. First operand 47876 states and 69710 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 05:29:29,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:31,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:33,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:57,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:29:59,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:01,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:03,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:09,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:10,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:12,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:17,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:20,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:22,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:25,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:27,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:29,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:36,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:39,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:41,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:43,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:30:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:30:50,690 INFO L93 Difference]: Finished difference Result 139595 states and 209818 transitions. [2021-11-17 05:30:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:30:50,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 404 [2021-11-17 05:30:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:30:51,454 INFO L225 Difference]: With dead ends: 139595 [2021-11-17 05:30:51,454 INFO L226 Difference]: Without dead ends: 91752 [2021-11-17 05:30:51,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-17 05:30:51,605 INFO L933 BasicCegarLoop]: 14168 mSDtfsCounter, 14944 mSDsluCounter, 23899 mSDsCounter, 0 mSdLazyCounter, 17344 mSolverCounterSat, 10235 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16509 SdHoareTripleChecker+Valid, 38067 SdHoareTripleChecker+Invalid, 27593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10235 IncrementalHoareTripleChecker+Valid, 17344 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.7s IncrementalHoareTripleChecker+Time [2021-11-17 05:30:51,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16509 Valid, 38067 Invalid, 27593 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10235 Valid, 17344 Invalid, 14 Unknown, 0 Unchecked, 79.7s Time] [2021-11-17 05:30:51,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91752 states. [2021-11-17 05:30:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91752 to 67019. [2021-11-17 05:30:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67019 states, 47863 states have (on average 1.374903370035309) internal successors, (65807), 48810 states have internal predecessors, (65807), 15754 states have call successors, (15754), 3300 states have call predecessors, (15754), 3401 states have return successors, (16108), 15613 states have call predecessors, (16108), 15752 states have call successors, (16108) [2021-11-17 05:30:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67019 states to 67019 states and 97669 transitions. [2021-11-17 05:30:54,781 INFO L78 Accepts]: Start accepts. Automaton has 67019 states and 97669 transitions. Word has length 404 [2021-11-17 05:30:54,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:30:54,785 INFO L470 AbstractCegarLoop]: Abstraction has 67019 states and 97669 transitions. [2021-11-17 05:30:54,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 05:30:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 67019 states and 97669 transitions. [2021-11-17 05:30:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-17 05:30:54,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:30:54,828 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:30:54,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 05:30:54,829 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:30:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:30:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash 414347024, now seen corresponding path program 1 times [2021-11-17 05:30:54,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:30:54,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921280691] [2021-11-17 05:30:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:30:54,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:30:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:30:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:30:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:30:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:30:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:30:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:30:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:30:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:30:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:30:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:30:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:30:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:30:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:30:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:30:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 05:30:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 05:30:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 05:30:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 05:30:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 05:30:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 05:30:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 05:30:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:30:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 05:30:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:30:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 05:30:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:30:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 05:30:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 05:30:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 05:30:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 05:30:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 05:30:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 05:30:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:30:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 05:30:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 05:30:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 05:30:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 05:30:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:30:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 05:30:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:30:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2021-11-17 05:30:56,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:30:56,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921280691] [2021-11-17 05:30:56,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921280691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:30:56,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:30:56,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:30:56,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096293488] [2021-11-17 05:30:56,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:30:56,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:30:56,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:30:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:30:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:30:56,047 INFO L87 Difference]: Start difference. First operand 67019 states and 97669 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 05:30:58,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:00,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:20,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:22,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:25,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:27,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:32,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:34,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:36,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:38,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:39,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:40,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:43,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:50,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:52,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:31:58,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:00,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:32:05,989 INFO L93 Difference]: Finished difference Result 214059 states and 318878 transitions. [2021-11-17 05:32:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:32:05,990 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 475 [2021-11-17 05:32:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:32:07,040 INFO L225 Difference]: With dead ends: 214059 [2021-11-17 05:32:07,040 INFO L226 Difference]: Without dead ends: 147073 [2021-11-17 05:32:07,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:32:07,275 INFO L933 BasicCegarLoop]: 10626 mSDtfsCounter, 12850 mSDsluCounter, 14574 mSDsCounter, 0 mSdLazyCounter, 10888 mSolverCounterSat, 7325 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13863 SdHoareTripleChecker+Valid, 25200 SdHoareTripleChecker+Invalid, 18226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7325 IncrementalHoareTripleChecker+Valid, 10888 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:32:07,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13863 Valid, 25200 Invalid, 18226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7325 Valid, 10888 Invalid, 13 Unknown, 0 Unchecked, 64.2s Time] [2021-11-17 05:32:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147073 states. [2021-11-17 05:32:12,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147073 to 121774. [2021-11-17 05:32:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121774 states, 86975 states have (on average 1.3736935901121012) internal successors, (119477), 88628 states have internal predecessors, (119477), 28410 states have call successors, (28410), 6186 states have call predecessors, (28410), 6388 states have return successors, (29080), 28212 states have call predecessors, (29080), 28408 states have call successors, (29080) [2021-11-17 05:32:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121774 states to 121774 states and 176967 transitions. [2021-11-17 05:32:13,255 INFO L78 Accepts]: Start accepts. Automaton has 121774 states and 176967 transitions. Word has length 475 [2021-11-17 05:32:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:32:13,255 INFO L470 AbstractCegarLoop]: Abstraction has 121774 states and 176967 transitions. [2021-11-17 05:32:13,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 05:32:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 121774 states and 176967 transitions. [2021-11-17 05:32:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-11-17 05:32:13,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:32:13,315 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:32:13,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 05:32:13,315 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:32:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:32:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1635240944, now seen corresponding path program 1 times [2021-11-17 05:32:13,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:32:13,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383304491] [2021-11-17 05:32:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:32:13,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:32:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:32:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:32:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:32:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:32:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:32:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:32:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:32:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:32:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:32:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:32:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:32:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:32:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:32:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:32:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:32:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 05:32:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:32:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 05:32:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 05:32:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 05:32:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:32:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 05:32:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 05:32:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:32:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 05:32:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 05:32:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:32:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 05:32:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:32:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-11-17 05:32:14,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:32:14,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383304491] [2021-11-17 05:32:14,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383304491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:32:14,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:32:14,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:32:14,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503282457] [2021-11-17 05:32:14,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:32:14,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:32:14,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:32:14,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:32:14,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:32:14,539 INFO L87 Difference]: Start difference. First operand 121774 states and 176967 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 05:32:16,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:18,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:20,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:23,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:49,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:32:52,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:01,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:02,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:04,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:05,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:09,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:12,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:14,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:16,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:26,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:29,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:39,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:33:39,103 INFO L93 Difference]: Finished difference Result 337536 states and 506031 transitions. [2021-11-17 05:33:39,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:33:39,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 427 [2021-11-17 05:33:39,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:33:40,536 INFO L225 Difference]: With dead ends: 337536 [2021-11-17 05:33:40,536 INFO L226 Difference]: Without dead ends: 215807 [2021-11-17 05:33:40,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-17 05:33:40,980 INFO L933 BasicCegarLoop]: 14240 mSDtfsCounter, 13566 mSDsluCounter, 24061 mSDsCounter, 0 mSdLazyCounter, 18000 mSolverCounterSat, 8061 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15109 SdHoareTripleChecker+Valid, 38301 SdHoareTripleChecker+Invalid, 26072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8061 IncrementalHoareTripleChecker+Valid, 18000 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:33:40,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15109 Valid, 38301 Invalid, 26072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8061 Valid, 18000 Invalid, 11 Unknown, 0 Unchecked, 75.2s Time] [2021-11-17 05:33:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215807 states. [2021-11-17 05:33:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215807 to 156024. [2021-11-17 05:33:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156024 states, 111377 states have (on average 1.374242437846234) internal successors, (153059), 113474 states have internal predecessors, (153059), 36532 states have call successors, (36532), 7914 states have call predecessors, (36532), 8114 states have return successors, (37222), 36236 states have call predecessors, (37222), 36530 states have call successors, (37222) [2021-11-17 05:33:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156024 states to 156024 states and 226813 transitions. [2021-11-17 05:33:49,525 INFO L78 Accepts]: Start accepts. Automaton has 156024 states and 226813 transitions. Word has length 427 [2021-11-17 05:33:49,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:33:49,526 INFO L470 AbstractCegarLoop]: Abstraction has 156024 states and 226813 transitions. [2021-11-17 05:33:49,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 05:33:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 156024 states and 226813 transitions. [2021-11-17 05:33:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-11-17 05:33:49,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:33:49,620 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:33:49,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 05:33:49,621 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:33:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:33:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1505172371, now seen corresponding path program 1 times [2021-11-17 05:33:49,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:33:49,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956487694] [2021-11-17 05:33:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:33:49,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:33:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:33:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:33:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:33:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:33:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:33:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:33:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:33:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:33:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:33:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:33:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:33:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:33:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:33:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:33:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:33:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 05:33:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:33:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 05:33:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 05:33:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 05:33:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:33:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 05:33:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:33:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 05:33:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:33:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 05:33:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 05:33:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:33:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 05:33:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 05:33:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 05:33:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 05:33:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 05:33:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:33:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 05:33:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 05:33:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 05:33:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 05:33:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:33:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:33:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-11-17 05:33:50,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:33:50,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956487694] [2021-11-17 05:33:50,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956487694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:33:50,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:33:50,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:33:50,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437572050] [2021-11-17 05:33:50,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:33:50,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:33:50,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:33:50,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:33:50,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:33:50,916 INFO L87 Difference]: Start difference. First operand 156024 states and 226813 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:33:53,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:55,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:33:57,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:14,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:16,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:17,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:19,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:20,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:27,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:33,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:36,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:39,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:41,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:46,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:34:51,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:34:51,286 INFO L93 Difference]: Finished difference Result 384204 states and 577620 transitions. [2021-11-17 05:34:51,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 05:34:51,287 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 441 [2021-11-17 05:34:51,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:34:52,801 INFO L225 Difference]: With dead ends: 384204 [2021-11-17 05:34:52,801 INFO L226 Difference]: Without dead ends: 228225 [2021-11-17 05:34:53,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:34:53,297 INFO L933 BasicCegarLoop]: 8534 mSDtfsCounter, 8130 mSDsluCounter, 18078 mSDsCounter, 0 mSdLazyCounter, 10161 mSolverCounterSat, 6429 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8815 SdHoareTripleChecker+Valid, 26612 SdHoareTripleChecker+Invalid, 16600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6429 IncrementalHoareTripleChecker+Valid, 10161 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:34:53,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8815 Valid, 26612 Invalid, 16600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6429 Valid, 10161 Invalid, 10 Unknown, 0 Unchecked, 50.3s Time] [2021-11-17 05:34:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228225 states. [2021-11-17 05:35:00,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228225 to 156040. [2021-11-17 05:35:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156040 states, 111393 states have (on average 1.3741886833104413) internal successors, (153075), 113490 states have internal predecessors, (153075), 36532 states have call successors, (36532), 7914 states have call predecessors, (36532), 8114 states have return successors, (37222), 36236 states have call predecessors, (37222), 36530 states have call successors, (37222) [2021-11-17 05:35:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156040 states to 156040 states and 226829 transitions. [2021-11-17 05:35:02,069 INFO L78 Accepts]: Start accepts. Automaton has 156040 states and 226829 transitions. Word has length 441 [2021-11-17 05:35:02,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:35:02,070 INFO L470 AbstractCegarLoop]: Abstraction has 156040 states and 226829 transitions. [2021-11-17 05:35:02,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:35:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 156040 states and 226829 transitions. [2021-11-17 05:35:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-17 05:35:02,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:35:02,159 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:35:02,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 05:35:02,160 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:35:02,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:35:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1481413088, now seen corresponding path program 1 times [2021-11-17 05:35:02,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:35:02,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664825646] [2021-11-17 05:35:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:35:02,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:35:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:35:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:35:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:35:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 05:35:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:35:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 05:35:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:35:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 05:35:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:35:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:35:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:35:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:35:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:35:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:35:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:35:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 05:35:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 05:35:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 05:35:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 05:35:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 05:35:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:35:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 05:35:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 05:35:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 05:35:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 05:35:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 05:35:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:35:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 05:35:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:35:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2021-11-17 05:35:03,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:35:03,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664825646] [2021-11-17 05:35:03,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664825646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:35:03,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:35:03,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 05:35:03,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627862525] [2021-11-17 05:35:03,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:35:03,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 05:35:03,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:35:03,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 05:35:03,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-17 05:35:03,489 INFO L87 Difference]: Start difference. First operand 156040 states and 226829 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 7 states have internal predecessors, (150), 3 states have call successors, (36), 7 states have call predecessors, (36), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 05:35:05,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:07,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:09,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:11,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:36,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:40,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:41,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:42,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:43,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:48,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:35:49,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []