./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--scsi--ips.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--scsi--ips.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 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:57:27,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:57:27,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:57:27,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:57:27,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:57:27,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:57:27,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:57:27,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:57:27,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:57:27,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:57:27,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:57:27,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:57:27,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:57:27,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:57:27,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:57:27,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:57:27,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:57:27,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:57:27,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:57:27,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:57:27,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:57:27,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:57:27,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:57:27,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:57:27,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:57:27,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:57:27,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:57:27,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:57:27,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:57:27,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:57:27,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:57:27,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:57:27,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:57:27,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:57:27,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:57:27,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:57:27,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:57:27,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:57:27,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:57:27,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:57:27,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:57:27,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:57:27,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:57:27,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:57:27,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:57:27,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:57:27,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:57:27,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:57:27,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:57:27,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:57:27,515 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:57:27,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:57:27,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:57:27,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:57:27,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:57:27,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:57:27,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:57:27,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:57:27,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:57:27,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:57:27,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:57:27,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:57:27,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a [2021-11-17 05:57:27,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:57:27,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:57:27,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:57:27,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:57:27,719 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:57:27,720 INFO L432 ainManager$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--scsi--ips.ko-entry_point.cil.out.i [2021-11-17 05:57:27,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dceb2ad5/22b1e18cd4a74a3a9c0252440d39172e/FLAG3414fb4ea [2021-11-17 05:57:28,484 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:57:28,484 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--scsi--ips.ko-entry_point.cil.out.i [2021-11-17 05:57:28,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dceb2ad5/22b1e18cd4a74a3a9c0252440d39172e/FLAG3414fb4ea [2021-11-17 05:57:28,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dceb2ad5/22b1e18cd4a74a3a9c0252440d39172e [2021-11-17 05:57:28,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:57:28,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:57:28,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:57:28,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:57:28,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:57:28,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:57:28" (1/1) ... [2021-11-17 05:57:28,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d54ff4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:28, skipping insertion in model container [2021-11-17 05:57:28,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:57:28" (1/1) ... [2021-11-17 05:57:28,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:57:28,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:57:30,533 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--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2021-11-17 05:57:30,571 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:57:30,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:57:31,151 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--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2021-11-17 05:57:31,155 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:57:31,233 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:57:31,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31 WrapperNode [2021-11-17 05:57:31,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:57:31,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:57:31,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:57:31,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:57:31,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,550 INFO L137 Inliner]: procedures = 329, calls = 4496, calls flagged for inlining = 148, calls inlined = 145, statements flattened = 9035 [2021-11-17 05:57:31,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:57:31,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:57:31,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:57:31,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:57:31,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:57:31,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:57:31,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:57:31,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:57:31,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (1/1) ... [2021-11-17 05:57:31,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:57:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:57:31,946 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 05:57:31,957 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 05:57:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure ips_detect [2021-11-17 05:57:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_detect [2021-11-17 05:57:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ips_done [2021-11-17 05:57:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_done [2021-11-17 05:57:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp [2021-11-17 05:57:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp [2021-11-17 05:57:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_abort [2021-11-17 05:57:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_abort [2021-11-17 05:57:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-17 05:57:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-17 05:57:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:57:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:57:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 05:57:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 05:57:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:57:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:57:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_cmd [2021-11-17 05:57:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_cmd [2021-11-17 05:57:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-17 05:57:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-17 05:57:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:57:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:57:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ips_allocatescbs [2021-11-17 05:57:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_allocatescbs [2021-11-17 05:57:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure do_ipsintr [2021-11-17 05:57:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure do_ipsintr [2021-11-17 05:57:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_copperhead [2021-11-17 05:57:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_copperhead [2021-11-17 05:57:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 05:57:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 05:57:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure le32_add_cpu [2021-11-17 05:57:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure le32_add_cpu [2021-11-17 05:57:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 05:57:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 05:57:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ips_freescb [2021-11-17 05:57:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_freescb [2021-11-17 05:57:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:57:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:57:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free_flash_copperhead [2021-11-17 05:57:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free_flash_copperhead [2021-11-17 05:57:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:57:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:57:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isintr_morpheus [2021-11-17 05:57:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isintr_morpheus [2021-11-17 05:57:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_scb_head [2021-11-17 05:57:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_scb_head [2021-11-17 05:57:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ips_slave_configure [2021-11-17 05:57:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_slave_configure [2021-11-17 05:57:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 05:57:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 05:57:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-17 05:57:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-17 05:57:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_5 [2021-11-17 05:57:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_5 [2021-11-17 05:57:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-17 05:57:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-17 05:57:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ips_putq_scb_head [2021-11-17 05:57:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_putq_scb_head [2021-11-17 05:57:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:57:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:57:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ips_hainit [2021-11-17 05:57:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_hainit [2021-11-17 05:57:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 05:57:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 05:57:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:57:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:57:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-17 05:57:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-17 05:57:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:57:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:57:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure ips_wait [2021-11-17 05:57:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_wait [2021-11-17 05:57:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-17 05:57:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-17 05:57:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure ips_register_scsi [2021-11-17 05:57:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_register_scsi [2021-11-17 05:57:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-11-17 05:57:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-11-17 05:57:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure ips_readwrite_page5 [2021-11-17 05:57:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_readwrite_page5 [2021-11-17 05:57:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 05:57:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 05:57:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flush_and_reset [2021-11-17 05:57:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flush_and_reset [2021-11-17 05:57:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_wait [2021-11-17 05:57:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_wait [2021-11-17 05:57:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait [2021-11-17 05:57:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait [2021-11-17 05:57:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_morpheus [2021-11-17 05:57:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_morpheus [2021-11-17 05:57:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2021-11-17 05:57:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2021-11-17 05:57:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:57:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure touch_nmi_watchdog [2021-11-17 05:57:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_nmi_watchdog [2021-11-17 05:57:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure ips_online [2021-11-17 05:57:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_online [2021-11-17 05:57:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-17 05:57:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-17 05:57:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue_lck [2021-11-17 05:57:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue_lck [2021-11-17 05:57:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:57:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:57:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:57:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-17 05:57:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ips_release [2021-11-17 05:57:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_release [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-11-17 05:57:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-11-17 05:57:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 05:57:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 05:57:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 05:57:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 05:57:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 05:57:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 05:57:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isinit_morpheus [2021-11-17 05:57:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isinit_morpheus [2021-11-17 05:57:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ips_next [2021-11-17 05:57:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_next [2021-11-17 05:57:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 05:57:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 05:57:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-17 05:57:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-17 05:57:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:57:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ips_clear_adapter [2021-11-17 05:57:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_clear_adapter [2021-11-17 05:57:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure ips_shift_controllers [2021-11-17 05:57:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_shift_controllers [2021-11-17 05:57:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_bios [2021-11-17 05:57:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_bios [2021-11-17 05:57:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 05:57:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 05:57:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_subsystem_parameters [2021-11-17 05:57:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_subsystem_parameters [2021-11-17 05:57:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:57:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ips_write_driver_status [2021-11-17 05:57:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_write_driver_status [2021-11-17 05:57:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:57:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 05:57:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 05:57:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp_head [2021-11-17 05:57:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp_head [2021-11-17 05:57:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free [2021-11-17 05:57:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free [2021-11-17 05:57:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-17 05:57:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-17 05:57:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase2 [2021-11-17 05:57:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase2 [2021-11-17 05:57:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_adapter_status [2021-11-17 05:57:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_adapter_status [2021-11-17 05:57:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase1 [2021-11-17 05:57:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase1 [2021-11-17 05:57:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:57:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:57:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_read [2021-11-17 05:57:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_read [2021-11-17 05:57:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ips_abort_init [2021-11-17 05:57:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_abort_init [2021-11-17 05:57:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipsintr_done [2021-11-17 05:57:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ipsintr_done [2021-11-17 05:57:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ips_deallocatescbs [2021-11-17 05:57:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_deallocatescbs [2021-11-17 05:57:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 05:57:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 05:57:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:57:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:57:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_scb [2021-11-17 05:57:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_scb [2021-11-17 05:57:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ips_insert_device [2021-11-17 05:57:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_insert_device [2021-11-17 05:57:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_config [2021-11-17 05:57:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_config [2021-11-17 05:57:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_reset [2021-11-17 05:57:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_reset [2021-11-17 05:57:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 05:57:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 05:57:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure ips_usrcmd [2021-11-17 05:57:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_usrcmd [2021-11-17 05:57:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:57:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 05:57:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 05:57:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ips_make_passthru [2021-11-17 05:57:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_make_passthru [2021-11-17 05:57:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 05:57:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 05:57:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead_memio [2021-11-17 05:57:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead_memio [2021-11-17 05:57:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-17 05:57:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-17 05:57:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait_head [2021-11-17 05:57:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait_head [2021-11-17 05:57:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_reset [2021-11-17 05:57:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_reset [2021-11-17 05:57:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ips_getscb [2021-11-17 05:57:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_getscb [2021-11-17 05:57:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ips_info [2021-11-17 05:57:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_info [2021-11-17 05:57:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:57:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:57:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-17 05:57:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-17 05:57:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-17 05:57:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-17 05:57:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure __ips_eh_reset [2021-11-17 05:57:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ips_eh_reset [2021-11-17 05:57:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:57:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:57:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:57:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-17 05:57:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-17 05:57:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_write [2021-11-17 05:57:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_write [2021-11-17 05:57:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:57:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:57:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fix_ffdc_time [2021-11-17 05:57:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fix_ffdc_time [2021-11-17 05:57:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-11-17 05:57:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-11-17 05:57:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:57:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reqsen [2021-11-17 05:57:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reqsen [2021-11-17 05:57:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 05:57:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 05:57:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:57:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 05:57:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 05:57:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 05:57:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 05:57:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 05:57:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-17 05:57:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-17 05:57:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-17 05:57:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-17 05:57:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:57:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:57:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fill_scb_sg_single [2021-11-17 05:57:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fill_scb_sg_single [2021-11-17 05:57:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ips_remove_device [2021-11-17 05:57:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_remove_device [2021-11-17 05:57:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ips_show_info [2021-11-17 05:57:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_show_info [2021-11-17 05:57:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ips_chkstatus [2021-11-17 05:57:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_chkstatus [2021-11-17 05:57:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ips_is_passthru [2021-11-17 05:57:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_is_passthru [2021-11-17 05:57:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue [2021-11-17 05:57:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue [2021-11-17 05:57:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_morpheus [2021-11-17 05:57:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_morpheus [2021-11-17 05:57:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_time [2021-11-17 05:57:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_time [2021-11-17 05:57:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure ips_biosparam [2021-11-17 05:57:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_biosparam [2021-11-17 05:57:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2021-11-17 05:57:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2021-11-17 05:57:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure ips_get_bios_version [2021-11-17 05:57:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_get_bios_version [2021-11-17 05:57:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead [2021-11-17 05:57:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead [2021-11-17 05:57:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 05:57:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 05:57:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 05:57:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 05:57:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 05:57:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 05:57:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 05:57:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 05:57:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-17 05:57:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-17 05:57:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 05:57:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 05:57:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_copperhead [2021-11-17 05:57:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_copperhead [2021-11-17 05:57:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:57:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 05:57:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 05:57:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 05:57:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 05:57:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 05:57:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 05:57:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 05:57:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:57:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:57:32,821 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:57:32,825 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:57:34,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:01:17,902 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:01:17,917 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:01:17,918 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-17 06:01:17,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:01:17 BoogieIcfgContainer [2021-11-17 06:01:17,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:01:17,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:01:17,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:01:17,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:01:17,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:57:28" (1/3) ... [2021-11-17 06:01:17,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5f44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:01:17, skipping insertion in model container [2021-11-17 06:01:17,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:57:31" (2/3) ... [2021-11-17 06:01:17,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b5f44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:01:17, skipping insertion in model container [2021-11-17 06:01:17,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:01:17" (3/3) ... [2021-11-17 06:01:17,929 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2021-11-17 06:01:17,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:01:17,933 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:01:18,000 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:01:18,004 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 06:01:18,004 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:01:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 3349 states, 2482 states have (on average 1.4081385979049155) internal successors, (3495), 2601 states have internal predecessors, (3495), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) [2021-11-17 06:01:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-17 06:01:18,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:01:18,084 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 06:01:18,085 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:01:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:01:18,089 INFO L85 PathProgramCache]: Analyzing trace with hash -103311197, now seen corresponding path program 1 times [2021-11-17 06:01:18,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:01:18,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323399289] [2021-11-17 06:01:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:01:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:01:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:01:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:01:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:01:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:01:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:01:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:01:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:01:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:01:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:01:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:01:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:01:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:01:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:01:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:01:19,169 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-17 06:01:19,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:01:19,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323399289] [2021-11-17 06:01:19,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323399289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:01:19,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:01:19,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:01:19,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346305686] [2021-11-17 06:01:19,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:01:19,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:01:19,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:01:19,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:01:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:01:19,206 INFO L87 Difference]: Start difference. First operand has 3349 states, 2482 states have (on average 1.4081385979049155) internal successors, (3495), 2601 states have internal predecessors, (3495), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-17 06:01:21,286 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 06:01:23,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:01:26,956 WARN L515 Checker$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 06:01:41,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:01:50,789 WARN L515 Checker$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 06:01:57,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:00,519 WARN L515 Checker$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 06:02:02,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:25,928 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:02:38,577 INFO L93 Difference]: Finished difference Result 11261 states and 17416 transitions. [2021-11-17 06:02:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:02:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 186 [2021-11-17 06:02:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:02:38,656 INFO L225 Difference]: With dead ends: 11261 [2021-11-17 06:02:38,657 INFO L226 Difference]: Without dead ends: 7856 [2021-11-17 06:02:38,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:02:38,716 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 10074 mSDsluCounter, 8643 mSDsCounter, 0 mSdLazyCounter, 7063 mSolverCounterSat, 5309 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10474 SdHoareTripleChecker+Valid, 14128 SdHoareTripleChecker+Invalid, 12377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5309 IncrementalHoareTripleChecker+Valid, 7063 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:02:38,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10474 Valid, 14128 Invalid, 12377 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5309 Valid, 7063 Invalid, 5 Unknown, 0 Unchecked, 77.9s Time] [2021-11-17 06:02:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7856 states. [2021-11-17 06:02:39,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7856 to 6363. [2021-11-17 06:02:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6363 states, 4693 states have (on average 1.401235883230343) internal successors, (6576), 4902 states have internal predecessors, (6576), 1405 states have call successors, (1405), 260 states have call predecessors, (1405), 264 states have return successors, (1438), 1380 states have call predecessors, (1438), 1404 states have call successors, (1438) [2021-11-17 06:02:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6363 states to 6363 states and 9419 transitions. [2021-11-17 06:02:39,125 INFO L78 Accepts]: Start accepts. Automaton has 6363 states and 9419 transitions. Word has length 186 [2021-11-17 06:02:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:02:39,128 INFO L470 AbstractCegarLoop]: Abstraction has 6363 states and 9419 transitions. [2021-11-17 06:02:39,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-17 06:02:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 6363 states and 9419 transitions. [2021-11-17 06:02:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-17 06:02:39,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:02:39,141 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 06:02:39,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:02:39,142 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:02:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:02:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 117376024, now seen corresponding path program 1 times [2021-11-17 06:02:39,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:02:39,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065741008] [2021-11-17 06:02:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:02:39,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:02:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:02:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:02:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:02:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:02:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:02:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:02:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:02:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:02:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:02:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:02:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:02:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:02:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:02:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 06:02:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:02:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-17 06:02:39,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:02:39,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065741008] [2021-11-17 06:02:39,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065741008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:02:40,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:02:40,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:02:40,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681947726] [2021-11-17 06:02:40,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:02:40,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:02:40,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:02:40,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:02:40,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:02:40,002 INFO L87 Difference]: Start difference. First operand 6363 states and 9419 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 06:02:42,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:43,954 WARN L515 Checker$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 06:02:45,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:50,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:00,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:08,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:14,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:16,868 WARN L515 Checker$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 06:03:30,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:32,515 WARN L515 Checker$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 06:03:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:03:38,420 INFO L93 Difference]: Finished difference Result 21851 states and 33033 transitions. [2021-11-17 06:03:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:03:38,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 218 [2021-11-17 06:03:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:03:38,531 INFO L225 Difference]: With dead ends: 21851 [2021-11-17 06:03:38,531 INFO L226 Difference]: Without dead ends: 15518 [2021-11-17 06:03:38,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:03:38,577 INFO L933 BasicCegarLoop]: 4938 mSDtfsCounter, 13811 mSDsluCounter, 6214 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 7791 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14456 SdHoareTripleChecker+Valid, 11152 SdHoareTripleChecker+Invalid, 12692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7791 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:03:38,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14456 Valid, 11152 Invalid, 12692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7791 Valid, 4898 Invalid, 3 Unknown, 0 Unchecked, 57.2s Time] [2021-11-17 06:03:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15518 states. [2021-11-17 06:03:38,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15518 to 12541. [2021-11-17 06:03:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12541 states, 9246 states have (on average 1.401038286826736) internal successors, (12954), 9663 states have internal predecessors, (12954), 2770 states have call successors, (2770), 516 states have call predecessors, (2770), 524 states have return successors, (2837), 2721 states have call predecessors, (2837), 2769 states have call successors, (2837) [2021-11-17 06:03:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12541 states to 12541 states and 18561 transitions. [2021-11-17 06:03:39,068 INFO L78 Accepts]: Start accepts. Automaton has 12541 states and 18561 transitions. Word has length 218 [2021-11-17 06:03:39,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:03:39,069 INFO L470 AbstractCegarLoop]: Abstraction has 12541 states and 18561 transitions. [2021-11-17 06:03:39,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 06:03:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12541 states and 18561 transitions. [2021-11-17 06:03:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-17 06:03:39,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:03:39,079 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:03:39,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:03:39,079 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:03:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:03:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash -144134583, now seen corresponding path program 1 times [2021-11-17 06:03:39,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:03:39,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258364454] [2021-11-17 06:03:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:03:39,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:03:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:03:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:03:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:03:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:03:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:03:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:03:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:03:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:03:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:03:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:03:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:03:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 06:03:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:03:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:03:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:03:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2021-11-17 06:03:39,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:03:39,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258364454] [2021-11-17 06:03:39,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258364454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:03:39,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:03:39,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:03:39,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718508439] [2021-11-17 06:03:39,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:03:39,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:03:39,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:03:39,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:03:39,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:03:39,936 INFO L87 Difference]: Start difference. First operand 12541 states and 18561 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-17 06:03:42,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:44,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:47,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:04,737 WARN L515 Checker$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 06:04:15,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:23,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:24,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:44,500 WARN L515 Checker$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 06:04:47,172 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 06:04:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:04:54,981 INFO L93 Difference]: Finished difference Result 28031 states and 42178 transitions. [2021-11-17 06:04:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:04:54,982 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 217 [2021-11-17 06:04:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:04:55,091 INFO L225 Difference]: With dead ends: 28031 [2021-11-17 06:04:55,092 INFO L226 Difference]: Without dead ends: 15496 [2021-11-17 06:04:55,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:04:55,169 INFO L933 BasicCegarLoop]: 4306 mSDtfsCounter, 3568 mSDsluCounter, 11178 mSDsCounter, 0 mSdLazyCounter, 6416 mSolverCounterSat, 2503 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 15484 SdHoareTripleChecker+Invalid, 8926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2503 IncrementalHoareTripleChecker+Valid, 6416 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:04:55,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3649 Valid, 15484 Invalid, 8926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2503 Valid, 6416 Invalid, 7 Unknown, 0 Unchecked, 74.0s Time] [2021-11-17 06:04:55,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15496 states. [2021-11-17 06:04:55,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15496 to 12523. [2021-11-17 06:04:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12523 states, 9232 states have (on average 1.400996533795494) internal successors, (12934), 9649 states have internal predecessors, (12934), 2768 states have call successors, (2768), 514 states have call predecessors, (2768), 522 states have return successors, (2835), 2719 states have call predecessors, (2835), 2767 states have call successors, (2835) [2021-11-17 06:04:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12523 states to 12523 states and 18537 transitions. [2021-11-17 06:04:55,736 INFO L78 Accepts]: Start accepts. Automaton has 12523 states and 18537 transitions. Word has length 217 [2021-11-17 06:04:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:04:55,736 INFO L470 AbstractCegarLoop]: Abstraction has 12523 states and 18537 transitions. [2021-11-17 06:04:55,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-17 06:04:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states and 18537 transitions. [2021-11-17 06:04:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-17 06:04:55,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:04:55,744 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 06:04:55,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:04:55,745 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:04:55,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:04:55,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1053058954, now seen corresponding path program 1 times [2021-11-17 06:04:55,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:04:55,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391676866] [2021-11-17 06:04:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:04:55,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:04:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:04:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:04:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:04:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:04:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:04:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:04:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:04:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:04:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:04:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:04:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:04:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:04:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:04:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 06:04:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:04:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-17 06:04:56,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:04:56,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391676866] [2021-11-17 06:04:56,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391676866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:04:56,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:04:56,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:04:56,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403521083] [2021-11-17 06:04:56,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:04:56,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:04:56,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:04:56,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:04:56,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:04:56,471 INFO L87 Difference]: Start difference. First operand 12523 states and 18537 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 06:04:58,540 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 06:05:02,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:13,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:17,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:18,943 WARN L515 Checker$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 06:05:26,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:34,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:35,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:37,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:06:03,351 INFO L93 Difference]: Finished difference Result 42917 states and 66144 transitions. [2021-11-17 06:06:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:06:03,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 223 [2021-11-17 06:06:03,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:06:03,556 INFO L225 Difference]: With dead ends: 42917 [2021-11-17 06:06:03,556 INFO L226 Difference]: Without dead ends: 30424 [2021-11-17 06:06:03,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:06:03,631 INFO L933 BasicCegarLoop]: 5535 mSDtfsCounter, 12951 mSDsluCounter, 6952 mSDsCounter, 0 mSdLazyCounter, 5772 mSolverCounterSat, 7313 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13546 SdHoareTripleChecker+Valid, 12487 SdHoareTripleChecker+Invalid, 13088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7313 IncrementalHoareTripleChecker+Valid, 5772 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:06:03,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13546 Valid, 12487 Invalid, 13088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7313 Valid, 5772 Invalid, 3 Unknown, 0 Unchecked, 65.1s Time] [2021-11-17 06:06:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30424 states. [2021-11-17 06:06:04,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30424 to 27037. [2021-11-17 06:06:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27037 states, 20001 states have (on average 1.3943802809859507) internal successors, (27889), 20919 states have internal predecessors, (27889), 5771 states have call successors, (5771), 1007 states have call predecessors, (5771), 1264 states have return successors, (7683), 5870 states have call predecessors, (7683), 5770 states have call successors, (7683) [2021-11-17 06:06:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27037 states to 27037 states and 41343 transitions. [2021-11-17 06:06:04,838 INFO L78 Accepts]: Start accepts. Automaton has 27037 states and 41343 transitions. Word has length 223 [2021-11-17 06:06:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:06:04,838 INFO L470 AbstractCegarLoop]: Abstraction has 27037 states and 41343 transitions. [2021-11-17 06:06:04,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 06:06:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27037 states and 41343 transitions. [2021-11-17 06:06:04,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-17 06:06:04,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:06:04,848 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:06:04,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:06:04,848 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:06:04,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:06:04,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1559076426, now seen corresponding path program 1 times [2021-11-17 06:06:04,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:06:04,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624874043] [2021-11-17 06:06:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:06:04,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:06:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:06:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:06:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:06:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:06:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:06:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:06:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:06:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:06:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:06:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:06:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:06:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 06:06:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:06:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:06:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:06:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:06:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-17 06:06:06,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:06:06,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624874043] [2021-11-17 06:06:06,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624874043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:06:06,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:06:06,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:06:06,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678604493] [2021-11-17 06:06:06,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:06:06,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:06:06,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:06:06,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:06:06,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:06:06,073 INFO L87 Difference]: Start difference. First operand 27037 states and 41343 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-17 06:06:08,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:12,237 WARN L515 Checker$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 06:06:32,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:34,299 WARN L515 Checker$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 06:06:43,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:51,813 WARN L515 Checker$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 06:06:53,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:55,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:07:17,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:07:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:07:27,905 INFO L93 Difference]: Finished difference Result 58729 states and 93534 transitions. [2021-11-17 06:07:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:07:27,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 230 [2021-11-17 06:07:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:07:28,123 INFO L225 Difference]: With dead ends: 58729 [2021-11-17 06:07:28,124 INFO L226 Difference]: Without dead ends: 31732 [2021-11-17 06:07:28,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:07:28,403 INFO L933 BasicCegarLoop]: 4382 mSDtfsCounter, 3291 mSDsluCounter, 9523 mSDsCounter, 0 mSdLazyCounter, 6944 mSolverCounterSat, 2233 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 13905 SdHoareTripleChecker+Invalid, 9182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2233 IncrementalHoareTripleChecker+Valid, 6944 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:07:28,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3639 Valid, 13905 Invalid, 9182 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2233 Valid, 6944 Invalid, 5 Unknown, 0 Unchecked, 79.5s Time] [2021-11-17 06:07:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31732 states. [2021-11-17 06:07:29,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31732 to 27405. [2021-11-17 06:07:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27405 states, 20265 states have (on average 1.3925980754996299) internal successors, (28221), 21195 states have internal predecessors, (28221), 5839 states have call successors, (5839), 1007 states have call predecessors, (5839), 1300 states have return successors, (7897), 5978 states have call predecessors, (7897), 5838 states have call successors, (7897) [2021-11-17 06:07:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27405 states to 27405 states and 41957 transitions. [2021-11-17 06:07:29,858 INFO L78 Accepts]: Start accepts. Automaton has 27405 states and 41957 transitions. Word has length 230 [2021-11-17 06:07:29,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:07:29,862 INFO L470 AbstractCegarLoop]: Abstraction has 27405 states and 41957 transitions. [2021-11-17 06:07:29,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-17 06:07:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27405 states and 41957 transitions. [2021-11-17 06:07:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-17 06:07:29,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:07:29,874 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:07:29,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:07:29,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:07:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:07:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1535354484, now seen corresponding path program 1 times [2021-11-17 06:07:29,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:07:29,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458272463] [2021-11-17 06:07:29,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:07:29,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:07:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:07:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:07:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:07:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:07:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:07:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:07:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:07:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:07:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:07:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:07:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:07:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 06:07:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:07:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:07:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:07:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:07:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-17 06:07:31,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:07:31,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458272463] [2021-11-17 06:07:31,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458272463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:07:31,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:07:31,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:07:31,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954116896] [2021-11-17 06:07:31,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:07:31,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:07:31,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:07:31,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:07:31,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:07:31,042 INFO L87 Difference]: Start difference. First operand 27405 states and 41957 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 06:07:33,118 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 06:07:36,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:07:50,736 WARN L515 Checker$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 06:07:54,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:08:03,727 WARN L515 Checker$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 06:08:07,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:08:14,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:08:33,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:08:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:08:45,713 INFO L93 Difference]: Finished difference Result 60992 states and 100224 transitions. [2021-11-17 06:08:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:08:45,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 234 [2021-11-17 06:08:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:08:46,090 INFO L225 Difference]: With dead ends: 60992 [2021-11-17 06:08:46,091 INFO L226 Difference]: Without dead ends: 60989 [2021-11-17 06:08:46,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:08:46,129 INFO L933 BasicCegarLoop]: 5272 mSDtfsCounter, 15812 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 5445 mSolverCounterSat, 9876 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16401 SdHoareTripleChecker+Valid, 11820 SdHoareTripleChecker+Invalid, 15325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9876 IncrementalHoareTripleChecker+Valid, 5445 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.7s IncrementalHoareTripleChecker+Time [2021-11-17 06:08:46,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16401 Valid, 11820 Invalid, 15325 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9876 Valid, 5445 Invalid, 4 Unknown, 0 Unchecked, 70.7s Time] [2021-11-17 06:08:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60989 states. [2021-11-17 06:08:48,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60989 to 53797. [2021-11-17 06:08:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53797 states, 39783 states have (on average 1.395344745242943) internal successors, (55511), 41715 states have internal predecessors, (55511), 11453 states have call successors, (11453), 1937 states have call predecessors, (11453), 2560 states have return successors, (18355), 11728 states have call predecessors, (18355), 11452 states have call successors, (18355) [2021-11-17 06:08:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53797 states to 53797 states and 85319 transitions. [2021-11-17 06:08:49,423 INFO L78 Accepts]: Start accepts. Automaton has 53797 states and 85319 transitions. Word has length 234 [2021-11-17 06:08:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:08:49,424 INFO L470 AbstractCegarLoop]: Abstraction has 53797 states and 85319 transitions. [2021-11-17 06:08:49,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 06:08:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 53797 states and 85319 transitions. [2021-11-17 06:08:49,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-17 06:08:49,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:08:49,686 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:08:49,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:08:49,686 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:08:49,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:08:49,686 INFO L85 PathProgramCache]: Analyzing trace with hash 959993991, now seen corresponding path program 1 times [2021-11-17 06:08:49,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:08:49,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870146035] [2021-11-17 06:08:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:08:49,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:08:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:08:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:08:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:08:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:08:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:08:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:08:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:08:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:08:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:08:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 06:08:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:08:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 06:08:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:08:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:08:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 06:08:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:08:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-17 06:08:50,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:08:50,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870146035] [2021-11-17 06:08:50,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870146035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:08:50,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:08:50,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 06:08:50,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747028716] [2021-11-17 06:08:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:08:50,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 06:08:50,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:08:50,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 06:08:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-17 06:08:50,797 INFO L87 Difference]: Start difference. First operand 53797 states and 85319 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 06:08:52,881 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 06:08:55,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:09:00,852 WARN L515 Checker$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 06:09:24,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:09:36,992 WARN L515 Checker$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 06:09:52,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:09:58,037 WARN L515 Checker$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 06:11:09,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:11:11,891 WARN L515 Checker$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 06:11:14,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:11:16,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:11:18,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:11:24,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15