./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:29:41,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:41,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:41,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:41,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:41,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:41,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:41,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:41,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:41,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:41,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:41,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:41,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:41,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:41,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:41,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:41,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:41,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:41,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:41,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:41,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:41,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:41,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:41,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:41,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:41,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:41,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:41,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:41,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:41,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:41,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:41,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:41,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:41,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:41,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:41,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:41,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:41,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:41,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:41,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:41,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:41,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:29:41,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:41,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:41,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:41,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:41,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:41,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:41,697 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:41,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:41,698 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:41,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:41,699 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:41,700 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:41,700 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:41,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:41,701 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:41,701 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:41,701 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:41,701 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:41,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:41,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:41,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:41,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:41,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:41,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:41,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:41,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:41,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:41,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:41,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:41,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:41,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:41,708 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:41,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:41,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:41,709 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:41,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:41,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:41,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:41,710 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2022-11-03 03:29:41,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:42,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:42,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:42,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:42,023 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:42,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-03 03:29:42,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/data/b59fc9dea/4500aa6edf744b6386d882228e9f7743/FLAGe3e55066c [2022-11-03 03:29:43,506 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:43,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-03 03:29:43,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/data/b59fc9dea/4500aa6edf744b6386d882228e9f7743/FLAGe3e55066c [2022-11-03 03:29:44,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/data/b59fc9dea/4500aa6edf744b6386d882228e9f7743 [2022-11-03 03:29:44,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:44,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:44,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:44,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:44,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:44,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:44" (1/1) ... [2022-11-03 03:29:44,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90f30e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:44, skipping insertion in model container [2022-11-03 03:29:44,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:44" (1/1) ... [2022-11-03 03:29:44,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:44,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:53,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-03 03:29:53,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:53,816 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:55,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2022-11-03 03:29:55,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:55,755 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:55,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55 WrapperNode [2022-11-03 03:29:55,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:55,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:55,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:55,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:55,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:56,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:56,550 INFO L138 Inliner]: procedures = 757, calls = 11058, calls flagged for inlining = 310, calls inlined = 146, statements flattened = 13554 [2022-11-03 03:29:56,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:56,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:56,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:56,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:56,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:56,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:56,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:56,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:57,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:57,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:57,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:57,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (1/1) ... [2022-11-03 03:29:57,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:57,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:57,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2022-11-03 03:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2022-11-03 03:29:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2022-11-03 03:29:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2022-11-03 03:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2022-11-03 03:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2022-11-03 03:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-03 03:29:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-03 03:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2022-11-03 03:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2022-11-03 03:29:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-03 03:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-03 03:29:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2022-11-03 03:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2022-11-03 03:29:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2022-11-03 03:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2022-11-03 03:29:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2022-11-03 03:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2022-11-03 03:29:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2022-11-03 03:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2022-11-03 03:29:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:29:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2022-11-03 03:29:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2022-11-03 03:29:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2022-11-03 03:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2022-11-03 03:29:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-03 03:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-03 03:29:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2022-11-03 03:29:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2022-11-03 03:29:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-03 03:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-03 03:29:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2022-11-03 03:29:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2022-11-03 03:29:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:29:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2022-11-03 03:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2022-11-03 03:29:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-03 03:29:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-03 03:29:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2022-11-03 03:29:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2022-11-03 03:29:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2022-11-03 03:29:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2022-11-03 03:29:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2022-11-03 03:29:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2022-11-03 03:29:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2022-11-03 03:29:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2022-11-03 03:29:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:29:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:29:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-03 03:29:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-03 03:29:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2022-11-03 03:29:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2022-11-03 03:29:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2022-11-03 03:29:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2022-11-03 03:29:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2022-11-03 03:29:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2022-11-03 03:29:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-03 03:29:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-03 03:29:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2022-11-03 03:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2022-11-03 03:29:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:29:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:29:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2022-11-03 03:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2022-11-03 03:29:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:29:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:29:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-03 03:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-03 03:29:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:29:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:29:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2022-11-03 03:29:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2022-11-03 03:29:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2022-11-03 03:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2022-11-03 03:29:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2022-11-03 03:29:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2022-11-03 03:29:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2022-11-03 03:29:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2022-11-03 03:29:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2022-11-03 03:29:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2022-11-03 03:29:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2022-11-03 03:29:57,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2022-11-03 03:29:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:29:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:29:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2022-11-03 03:29:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2022-11-03 03:29:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:29:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:29:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2022-11-03 03:29:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2022-11-03 03:29:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2022-11-03 03:29:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2022-11-03 03:29:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 03:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 03:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2022-11-03 03:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2022-11-03 03:29:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:29:57,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:29:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2022-11-03 03:29:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2022-11-03 03:29:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:29:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2022-11-03 03:29:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2022-11-03 03:29:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2022-11-03 03:29:57,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2022-11-03 03:29:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2022-11-03 03:29:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2022-11-03 03:29:57,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 03:29:57,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 03:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:29:57,629 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-03 03:29:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-03 03:29:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2022-11-03 03:29:57,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2022-11-03 03:29:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2022-11-03 03:29:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2022-11-03 03:29:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2022-11-03 03:29:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2022-11-03 03:29:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:29:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:29:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-03 03:29:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-03 03:29:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 03:29:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 03:29:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2022-11-03 03:29:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2022-11-03 03:29:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2022-11-03 03:29:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2022-11-03 03:29:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2022-11-03 03:29:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2022-11-03 03:29:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2022-11-03 03:29:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2022-11-03 03:29:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2022-11-03 03:29:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2022-11-03 03:29:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:29:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:29:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2022-11-03 03:29:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2022-11-03 03:29:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 03:29:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 03:29:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 03:29:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 03:29:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:29:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:29:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2022-11-03 03:29:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2022-11-03 03:29:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-03 03:29:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-03 03:29:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 03:29:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 03:29:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-03 03:29:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-03 03:29:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2022-11-03 03:29:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2022-11-03 03:29:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 03:29:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 03:29:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:29:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 03:29:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 03:29:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2022-11-03 03:29:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2022-11-03 03:29:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2022-11-03 03:29:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2022-11-03 03:29:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2022-11-03 03:29:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2022-11-03 03:29:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:29:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:29:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2022-11-03 03:29:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2022-11-03 03:29:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-03 03:29:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-03 03:29:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:29:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2022-11-03 03:29:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2022-11-03 03:29:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-03 03:29:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-03 03:29:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:29:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2022-11-03 03:29:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2022-11-03 03:29:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:29:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:29:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2022-11-03 03:29:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2022-11-03 03:29:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 03:29:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 03:29:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2022-11-03 03:29:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2022-11-03 03:29:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2022-11-03 03:29:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2022-11-03 03:29:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2022-11-03 03:29:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2022-11-03 03:29:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-03 03:29:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-03 03:29:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2022-11-03 03:29:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2022-11-03 03:29:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2022-11-03 03:29:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2022-11-03 03:29:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2022-11-03 03:29:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2022-11-03 03:29:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2022-11-03 03:29:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2022-11-03 03:29:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2022-11-03 03:29:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2022-11-03 03:29:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-03 03:29:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-03 03:29:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2022-11-03 03:29:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2022-11-03 03:29:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2022-11-03 03:29:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2022-11-03 03:29:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2022-11-03 03:29:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2022-11-03 03:29:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2022-11-03 03:29:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2022-11-03 03:29:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:29:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:29:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:29:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:29:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2022-11-03 03:29:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2022-11-03 03:29:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2022-11-03 03:29:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2022-11-03 03:29:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-03 03:29:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-03 03:29:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2022-11-03 03:29:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2022-11-03 03:29:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 03:29:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 03:29:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2022-11-03 03:29:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2022-11-03 03:29:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2022-11-03 03:29:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2022-11-03 03:29:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 03:29:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 03:29:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2022-11-03 03:29:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2022-11-03 03:29:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 03:29:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 03:29:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:29:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:29:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:29:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:29:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-03 03:29:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-03 03:29:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2022-11-03 03:29:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2022-11-03 03:29:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2022-11-03 03:29:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2022-11-03 03:29:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2022-11-03 03:29:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2022-11-03 03:29:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2022-11-03 03:29:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2022-11-03 03:29:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:29:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:29:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2022-11-03 03:29:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2022-11-03 03:29:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2022-11-03 03:29:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2022-11-03 03:29:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2022-11-03 03:29:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2022-11-03 03:29:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2022-11-03 03:29:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2022-11-03 03:29:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:29:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:29:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:29:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:29:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2022-11-03 03:29:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2022-11-03 03:29:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2022-11-03 03:29:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2022-11-03 03:29:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2022-11-03 03:29:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2022-11-03 03:29:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 03:29:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 03:29:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 03:29:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 03:29:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 03:29:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2022-11-03 03:29:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2022-11-03 03:29:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2022-11-03 03:29:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2022-11-03 03:29:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2022-11-03 03:29:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2022-11-03 03:29:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2022-11-03 03:29:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2022-11-03 03:29:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2022-11-03 03:29:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2022-11-03 03:29:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-03 03:29:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-03 03:29:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2022-11-03 03:29:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2022-11-03 03:29:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2022-11-03 03:29:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2022-11-03 03:29:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2022-11-03 03:29:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2022-11-03 03:29:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-03 03:29:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-03 03:29:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 03:29:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 03:29:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-03 03:29:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-03 03:29:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-03 03:29:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-03 03:29:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:29:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:29:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:29:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:29:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2022-11-03 03:29:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2022-11-03 03:29:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2022-11-03 03:29:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2022-11-03 03:29:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:29:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:29:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2022-11-03 03:29:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2022-11-03 03:29:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 03:29:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 03:29:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 03:29:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 03:29:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 03:29:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 03:29:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2022-11-03 03:29:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2022-11-03 03:29:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2022-11-03 03:29:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2022-11-03 03:29:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2022-11-03 03:29:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2022-11-03 03:29:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2022-11-03 03:29:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2022-11-03 03:29:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 03:29:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 03:29:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:29:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:29:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:29:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2022-11-03 03:29:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2022-11-03 03:29:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2022-11-03 03:29:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2022-11-03 03:29:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2022-11-03 03:29:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2022-11-03 03:29:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:29:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2022-11-03 03:29:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2022-11-03 03:29:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 03:29:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 03:29:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2022-11-03 03:29:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2022-11-03 03:29:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-03 03:29:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-03 03:29:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2022-11-03 03:29:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2022-11-03 03:29:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2022-11-03 03:29:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2022-11-03 03:29:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2022-11-03 03:29:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2022-11-03 03:29:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2022-11-03 03:29:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2022-11-03 03:29:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2022-11-03 03:29:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2022-11-03 03:29:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:29:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2022-11-03 03:29:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2022-11-03 03:29:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 03:29:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 03:29:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-03 03:29:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:29:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:29:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 03:29:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 03:29:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2022-11-03 03:29:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2022-11-03 03:29:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2022-11-03 03:29:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2022-11-03 03:29:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2022-11-03 03:29:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2022-11-03 03:29:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2022-11-03 03:29:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2022-11-03 03:29:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2022-11-03 03:29:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2022-11-03 03:29:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2022-11-03 03:29:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2022-11-03 03:29:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2022-11-03 03:29:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2022-11-03 03:29:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:29:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:29:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2022-11-03 03:29:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2022-11-03 03:29:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 03:29:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 03:29:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 03:29:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 03:29:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2022-11-03 03:29:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2022-11-03 03:29:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-03 03:29:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-03 03:29:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 03:29:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 03:29:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 03:29:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 03:29:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2022-11-03 03:29:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2022-11-03 03:29:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2022-11-03 03:29:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2022-11-03 03:29:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-03 03:29:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-03 03:29:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2022-11-03 03:29:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2022-11-03 03:29:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:29:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:29:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2022-11-03 03:29:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2022-11-03 03:29:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:29:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:29:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2022-11-03 03:29:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2022-11-03 03:29:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2022-11-03 03:29:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2022-11-03 03:29:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2022-11-03 03:29:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2022-11-03 03:29:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2022-11-03 03:29:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2022-11-03 03:29:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2022-11-03 03:29:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2022-11-03 03:29:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2022-11-03 03:29:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2022-11-03 03:29:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2022-11-03 03:29:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2022-11-03 03:29:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2022-11-03 03:29:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2022-11-03 03:29:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:29:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:29:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 03:29:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 03:29:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:29:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-03 03:29:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-03 03:29:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2022-11-03 03:29:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2022-11-03 03:29:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:29:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:29:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2022-11-03 03:29:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2022-11-03 03:29:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2022-11-03 03:29:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2022-11-03 03:29:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2022-11-03 03:29:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2022-11-03 03:29:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2022-11-03 03:29:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2022-11-03 03:29:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2022-11-03 03:29:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2022-11-03 03:29:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2022-11-03 03:29:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2022-11-03 03:29:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-03 03:29:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-03 03:29:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 03:29:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 03:29:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-03 03:29:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-03 03:29:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-03 03:29:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-03 03:29:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 03:29:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 03:29:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2022-11-03 03:29:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2022-11-03 03:29:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2022-11-03 03:29:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2022-11-03 03:29:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2022-11-03 03:29:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2022-11-03 03:29:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-03 03:29:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-03 03:29:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-03 03:29:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-03 03:29:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2022-11-03 03:29:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2022-11-03 03:29:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 03:29:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 03:29:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2022-11-03 03:29:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2022-11-03 03:29:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2022-11-03 03:29:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2022-11-03 03:29:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 03:29:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 03:29:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2022-11-03 03:29:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2022-11-03 03:29:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:29:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:29:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 03:29:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 03:29:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:29:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:29:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-03 03:29:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-03 03:29:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2022-11-03 03:29:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2022-11-03 03:29:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2022-11-03 03:29:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2022-11-03 03:29:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:29:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:29:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 03:29:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-03 03:29:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-03 03:29:59,575 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:59,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:30:25,890 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:30:35,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:30:35,002 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:30:35,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:35 BoogieIcfgContainer [2022-11-03 03:30:35,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:30:35,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:30:35,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:30:35,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:30:35,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:44" (1/3) ... [2022-11-03 03:30:35,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6cdf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:35, skipping insertion in model container [2022-11-03 03:30:35,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:55" (2/3) ... [2022-11-03 03:30:35,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6cdf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:35, skipping insertion in model container [2022-11-03 03:30:35,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:35" (3/3) ... [2022-11-03 03:30:35,029 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-03 03:30:35,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:30:35,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:30:35,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:30:35,184 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ec787f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:30:35,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:30:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 3817 states, 2348 states have (on average 1.3560477001703577) internal successors, (3184), 2476 states have internal predecessors, (3184), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-11-03 03:30:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:30:35,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:35,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:35,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:35,224 INFO L85 PathProgramCache]: Analyzing trace with hash 382203273, now seen corresponding path program 1 times [2022-11-03 03:30:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:35,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159590338] [2022-11-03 03:30:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:30:36,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159590338] [2022-11-03 03:30:36,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159590338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:36,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:36,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:36,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137296241] [2022-11-03 03:30:36,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:36,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:36,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:36,592 INFO L87 Difference]: Start difference. First operand has 3817 states, 2348 states have (on average 1.3560477001703577) internal successors, (3184), 2476 states have internal predecessors, (3184), 1223 states have call successors, (1223), 245 states have call predecessors, (1223), 245 states have return successors, (1223), 1177 states have call predecessors, (1223), 1223 states have call successors, (1223) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:30:38,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:41,478 INFO L93 Difference]: Finished difference Result 7625 states and 11471 transitions. [2022-11-03 03:30:41,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:41,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-03 03:30:41,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:41,531 INFO L225 Difference]: With dead ends: 7625 [2022-11-03 03:30:41,531 INFO L226 Difference]: Without dead ends: 3804 [2022-11-03 03:30:41,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:41,576 INFO L413 NwaCegarLoop]: 5042 mSDtfsCounter, 5603 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5603 SdHoareTripleChecker+Valid, 5043 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:41,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5603 Valid, 5043 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 03:30:41,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3804 states. [2022-11-03 03:30:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3804 to 3804. [2022-11-03 03:30:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2339 states have (on average 1.3535699016673792) internal successors, (3166), 2463 states have internal predecessors, (3166), 1221 states have call successors, (1221), 245 states have call predecessors, (1221), 243 states have return successors, (1211), 1165 states have call predecessors, (1211), 1211 states have call successors, (1211) [2022-11-03 03:30:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5598 transitions. [2022-11-03 03:30:41,932 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5598 transitions. Word has length 10 [2022-11-03 03:30:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:41,932 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5598 transitions. [2022-11-03 03:30:41,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:30:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5598 transitions. [2022-11-03 03:30:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 03:30:41,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:41,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:41,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:30:41,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1038783013, now seen corresponding path program 1 times [2022-11-03 03:30:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:41,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404823111] [2022-11-03 03:30:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:30:42,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:42,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404823111] [2022-11-03 03:30:42,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404823111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:42,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:42,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:42,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140303791] [2022-11-03 03:30:42,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:42,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:42,897 INFO L87 Difference]: Start difference. First operand 3804 states and 5598 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:30:45,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:50,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:54,637 INFO L93 Difference]: Finished difference Result 9822 states and 14714 transitions. [2022-11-03 03:30:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-03 03:30:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:54,692 INFO L225 Difference]: With dead ends: 9822 [2022-11-03 03:30:54,692 INFO L226 Difference]: Without dead ends: 6022 [2022-11-03 03:30:54,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:54,733 INFO L413 NwaCegarLoop]: 7774 mSDtfsCounter, 4706 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4706 SdHoareTripleChecker+Valid, 11423 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:54,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4706 Valid, 11423 Invalid, 1367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 03:30:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6022 states. [2022-11-03 03:30:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6022 to 6017. [2022-11-03 03:30:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6017 states, 3681 states have (on average 1.3425699538168976) internal successors, (4942), 3902 states have internal predecessors, (4942), 1919 states have call successors, (1919), 441 states have call predecessors, (1919), 416 states have return successors, (1966), 1796 states have call predecessors, (1966), 1902 states have call successors, (1966) [2022-11-03 03:30:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8827 transitions. [2022-11-03 03:30:55,248 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8827 transitions. Word has length 11 [2022-11-03 03:30:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:55,249 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8827 transitions. [2022-11-03 03:30:55,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:30:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8827 transitions. [2022-11-03 03:30:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 03:30:55,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:55,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:55,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:30:55,252 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2139680052, now seen corresponding path program 1 times [2022-11-03 03:30:55,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:55,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156836638] [2022-11-03 03:30:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:30:56,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:56,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156836638] [2022-11-03 03:30:56,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156836638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:56,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:56,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:56,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330915992] [2022-11-03 03:30:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:56,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:56,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:56,050 INFO L87 Difference]: Start difference. First operand 6017 states and 8827 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:30:58,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:02,411 INFO L93 Difference]: Finished difference Result 6041 states and 8852 transitions. [2022-11-03 03:31:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-03 03:31:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:02,457 INFO L225 Difference]: With dead ends: 6041 [2022-11-03 03:31:02,457 INFO L226 Difference]: Without dead ends: 6038 [2022-11-03 03:31:02,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:02,463 INFO L413 NwaCegarLoop]: 5034 mSDtfsCounter, 5579 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:02,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 5058 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-03 03:31:02,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6038 states. [2022-11-03 03:31:02,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6038 to 6032. [2022-11-03 03:31:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6032 states, 3690 states have (on average 1.3417344173441734) internal successors, (4951), 3911 states have internal predecessors, (4951), 1921 states have call successors, (1921), 445 states have call predecessors, (1921), 420 states have return successors, (1969), 1798 states have call predecessors, (1969), 1905 states have call successors, (1969) [2022-11-03 03:31:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6032 states to 6032 states and 8841 transitions. [2022-11-03 03:31:02,989 INFO L78 Accepts]: Start accepts. Automaton has 6032 states and 8841 transitions. Word has length 12 [2022-11-03 03:31:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:02,990 INFO L495 AbstractCegarLoop]: Abstraction has 6032 states and 8841 transitions. [2022-11-03 03:31:02,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:31:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 6032 states and 8841 transitions. [2022-11-03 03:31:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 03:31:02,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:02,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:02,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:31:02,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1907745026, now seen corresponding path program 1 times [2022-11-03 03:31:02,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:02,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142902671] [2022-11-03 03:31:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:03,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:03,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142902671] [2022-11-03 03:31:03,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142902671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:03,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:03,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:31:03,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986233930] [2022-11-03 03:31:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:03,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:31:03,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:03,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:31:03,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:03,618 INFO L87 Difference]: Start difference. First operand 6032 states and 8841 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:31:06,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:12,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:16,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:18,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:18,460 INFO L93 Difference]: Finished difference Result 18034 states and 27651 transitions. [2022-11-03 03:31:18,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:18,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-03 03:31:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:18,554 INFO L225 Difference]: With dead ends: 18034 [2022-11-03 03:31:18,554 INFO L226 Difference]: Without dead ends: 12001 [2022-11-03 03:31:18,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:18,608 INFO L413 NwaCegarLoop]: 9224 mSDtfsCounter, 5756 mSDsluCounter, 5776 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5756 SdHoareTripleChecker+Valid, 14438 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:18,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5756 Valid, 14438 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1516 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2022-11-03 03:31:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12001 states. [2022-11-03 03:31:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12001 to 11976. [2022-11-03 03:31:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11976 states, 7325 states have (on average 1.3427986348122867) internal successors, (9836), 7763 states have internal predecessors, (9836), 3813 states have call successors, (3813), 885 states have call predecessors, (3813), 837 states have return successors, (4508), 3571 states have call predecessors, (4508), 3796 states have call successors, (4508) [2022-11-03 03:31:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11976 states to 11976 states and 18157 transitions. [2022-11-03 03:31:19,516 INFO L78 Accepts]: Start accepts. Automaton has 11976 states and 18157 transitions. Word has length 13 [2022-11-03 03:31:19,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:19,517 INFO L495 AbstractCegarLoop]: Abstraction has 11976 states and 18157 transitions. [2022-11-03 03:31:19,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:31:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 11976 states and 18157 transitions. [2022-11-03 03:31:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 03:31:19,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:19,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:19,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:31:19,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:19,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:19,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1060011253, now seen corresponding path program 1 times [2022-11-03 03:31:19,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:19,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335924340] [2022-11-03 03:31:19,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:19,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:31:21,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:21,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335924340] [2022-11-03 03:31:21,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335924340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:21,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:21,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:21,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988086063] [2022-11-03 03:31:21,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:21,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:21,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:21,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:21,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:21,923 INFO L87 Difference]: Start difference. First operand 11976 states and 18157 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-03 03:31:24,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:29,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:33,852 INFO L93 Difference]: Finished difference Result 28908 states and 44843 transitions. [2022-11-03 03:31:33,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:33,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 55 [2022-11-03 03:31:33,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:33,945 INFO L225 Difference]: With dead ends: 28908 [2022-11-03 03:31:33,945 INFO L226 Difference]: Without dead ends: 16936 [2022-11-03 03:31:34,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:34,025 INFO L413 NwaCegarLoop]: 5926 mSDtfsCounter, 4019 mSDsluCounter, 10502 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4019 SdHoareTripleChecker+Valid, 15376 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:34,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4019 Valid, 15376 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1680 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 03:31:34,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16936 states. [2022-11-03 03:31:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16936 to 16901. [2022-11-03 03:31:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16901 states, 10352 states have (on average 1.346792890262751) internal successors, (13942), 11015 states have internal predecessors, (13942), 5360 states have call successors, (5360), 1276 states have call predecessors, (5360), 1188 states have return successors, (6054), 4961 states have call predecessors, (6054), 5273 states have call successors, (6054) [2022-11-03 03:31:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 25356 transitions. [2022-11-03 03:31:35,302 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 25356 transitions. Word has length 55 [2022-11-03 03:31:35,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:35,303 INFO L495 AbstractCegarLoop]: Abstraction has 16901 states and 25356 transitions. [2022-11-03 03:31:35,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-03 03:31:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 25356 transitions. [2022-11-03 03:31:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 03:31:35,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:35,310 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:31:35,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:31:35,310 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:35,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:35,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1160537738, now seen corresponding path program 1 times [2022-11-03 03:31:35,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:35,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030912511] [2022-11-03 03:31:35,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:35,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:31:37,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:37,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030912511] [2022-11-03 03:31:37,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030912511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:37,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:37,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:31:37,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292796021] [2022-11-03 03:31:37,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:37,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:31:37,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:37,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:31:37,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:37,397 INFO L87 Difference]: Start difference. First operand 16901 states and 25356 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-03 03:31:40,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:51,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:09,608 INFO L93 Difference]: Finished difference Result 25433 states and 40239 transitions. [2022-11-03 03:32:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:32:09,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 53 [2022-11-03 03:32:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:09,743 INFO L225 Difference]: With dead ends: 25433 [2022-11-03 03:32:09,743 INFO L226 Difference]: Without dead ends: 25425 [2022-11-03 03:32:09,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:32:09,756 INFO L413 NwaCegarLoop]: 7190 mSDtfsCounter, 6773 mSDsluCounter, 6936 mSDsCounter, 0 mSdLazyCounter, 9570 mSolverCounterSat, 4541 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7802 SdHoareTripleChecker+Valid, 13194 SdHoareTripleChecker+Invalid, 14113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4541 IncrementalHoareTripleChecker+Valid, 9570 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:09,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7802 Valid, 13194 Invalid, 14113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4541 Valid, 9570 Invalid, 2 Unknown, 0 Unchecked, 30.4s Time] [2022-11-03 03:32:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25425 states. [2022-11-03 03:32:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25425 to 24968. [2022-11-03 03:32:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24968 states, 15383 states have (on average 1.3484365858415133) internal successors, (20743), 16357 states have internal predecessors, (20743), 7805 states have call successors, (7805), 1680 states have call predecessors, (7805), 1779 states have return successors, (10832), 7476 states have call predecessors, (10832), 7718 states have call successors, (10832) [2022-11-03 03:32:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24968 states to 24968 states and 39380 transitions. [2022-11-03 03:32:11,718 INFO L78 Accepts]: Start accepts. Automaton has 24968 states and 39380 transitions. Word has length 53 [2022-11-03 03:32:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:11,721 INFO L495 AbstractCegarLoop]: Abstraction has 24968 states and 39380 transitions. [2022-11-03 03:32:11,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-03 03:32:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24968 states and 39380 transitions. [2022-11-03 03:32:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 03:32:11,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:11,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:11,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:32:11,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:11,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:11,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1639912221, now seen corresponding path program 1 times [2022-11-03 03:32:11,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:11,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604737207] [2022-11-03 03:32:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:14,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:14,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604737207] [2022-11-03 03:32:14,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604737207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:14,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:14,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:32:14,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360790440] [2022-11-03 03:32:14,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:14,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:32:14,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:14,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:32:14,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:32:14,099 INFO L87 Difference]: Start difference. First operand 24968 states and 39380 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-03 03:32:16,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:24,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:27,691 INFO L93 Difference]: Finished difference Result 35748 states and 55686 transitions. [2022-11-03 03:32:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:32:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2022-11-03 03:32:27,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:27,748 INFO L225 Difference]: With dead ends: 35748 [2022-11-03 03:32:27,748 INFO L226 Difference]: Without dead ends: 10784 [2022-11-03 03:32:27,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:32:27,907 INFO L413 NwaCegarLoop]: 6493 mSDtfsCounter, 3608 mSDsluCounter, 14781 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3608 SdHoareTripleChecker+Valid, 19638 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:27,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3608 Valid, 19638 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2521 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 03:32:27,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10784 states. [2022-11-03 03:32:28,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10784 to 5526. [2022-11-03 03:32:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5526 states, 3407 states have (on average 1.3478133255063105) internal successors, (4592), 3641 states have internal predecessors, (4592), 1692 states have call successors, (1692), 464 states have call predecessors, (1692), 426 states have return successors, (1713), 1531 states have call predecessors, (1713), 1608 states have call successors, (1713) [2022-11-03 03:32:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5526 states to 5526 states and 7997 transitions. [2022-11-03 03:32:28,348 INFO L78 Accepts]: Start accepts. Automaton has 5526 states and 7997 transitions. Word has length 59 [2022-11-03 03:32:28,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:28,349 INFO L495 AbstractCegarLoop]: Abstraction has 5526 states and 7997 transitions. [2022-11-03 03:32:28,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-03 03:32:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5526 states and 7997 transitions. [2022-11-03 03:32:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 03:32:28,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:28,351 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:32:28,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:32:28,351 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:28,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1740494978, now seen corresponding path program 1 times [2022-11-03 03:32:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:28,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121302120] [2022-11-03 03:32:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:32:30,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:30,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121302120] [2022-11-03 03:32:30,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121302120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:30,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:30,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:32:30,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232011303] [2022-11-03 03:32:30,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:30,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:32:30,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:32:30,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:32:30,099 INFO L87 Difference]: Start difference. First operand 5526 states and 7997 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:32:32,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:38,015 INFO L93 Difference]: Finished difference Result 11072 states and 16082 transitions. [2022-11-03 03:32:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:32:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-11-03 03:32:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:38,040 INFO L225 Difference]: With dead ends: 11072 [2022-11-03 03:32:38,040 INFO L226 Difference]: Without dead ends: 5550 [2022-11-03 03:32:38,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:32:38,060 INFO L413 NwaCegarLoop]: 3294 mSDtfsCounter, 2 mSDsluCounter, 7414 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9879 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:38,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9879 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-03 03:32:38,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5550 states. [2022-11-03 03:32:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 5542. [2022-11-03 03:32:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 3421 states have (on average 1.346389944460684) internal successors, (4606), 3657 states have internal predecessors, (4606), 1692 states have call successors, (1692), 464 states have call predecessors, (1692), 428 states have return successors, (1717), 1531 states have call predecessors, (1717), 1608 states have call successors, (1717) [2022-11-03 03:32:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 8015 transitions. [2022-11-03 03:32:38,408 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 8015 transitions. Word has length 60 [2022-11-03 03:32:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:38,410 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 8015 transitions. [2022-11-03 03:32:38,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:32:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 8015 transitions. [2022-11-03 03:32:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 03:32:38,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:38,412 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:32:38,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:32:38,413 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:38,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:38,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1939931897, now seen corresponding path program 1 times [2022-11-03 03:32:38,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:38,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57909764] [2022-11-03 03:32:38,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:32:43,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:43,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57909764] [2022-11-03 03:32:43,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57909764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:43,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:43,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:32:43,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531786443] [2022-11-03 03:32:43,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:43,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:32:43,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:43,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:32:43,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:32:43,248 INFO L87 Difference]: Start difference. First operand 5542 states and 8015 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 03:32:45,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:46,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:49,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:50,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:54,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:56,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:05,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:07,842 INFO L93 Difference]: Finished difference Result 6487 states and 9580 transitions. [2022-11-03 03:33:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:33:07,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 58 [2022-11-03 03:33:07,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:07,873 INFO L225 Difference]: With dead ends: 6487 [2022-11-03 03:33:07,874 INFO L226 Difference]: Without dead ends: 6479 [2022-11-03 03:33:07,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:33:07,879 INFO L413 NwaCegarLoop]: 2870 mSDtfsCounter, 4106 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 4948 mSolverCounterSat, 2608 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4788 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 7559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2608 IncrementalHoareTripleChecker+Valid, 4948 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:07,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4788 Valid, 5816 Invalid, 7559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2608 Valid, 4948 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2022-11-03 03:33:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2022-11-03 03:33:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 5662. [2022-11-03 03:33:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 3501 states have (on average 1.3461868037703513) internal successors, (4713), 3737 states have internal predecessors, (4713), 1720 states have call successors, (1720), 476 states have call predecessors, (1720), 440 states have return successors, (1761), 1559 states have call predecessors, (1761), 1636 states have call successors, (1761) [2022-11-03 03:33:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 8194 transitions. [2022-11-03 03:33:08,290 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 8194 transitions. Word has length 58 [2022-11-03 03:33:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:08,291 INFO L495 AbstractCegarLoop]: Abstraction has 5662 states and 8194 transitions. [2022-11-03 03:33:08,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 03:33:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 8194 transitions. [2022-11-03 03:33:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-03 03:33:08,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:08,297 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:08,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:33:08,298 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:08,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:08,298 INFO L85 PathProgramCache]: Analyzing trace with hash 157353087, now seen corresponding path program 1 times [2022-11-03 03:33:08,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:08,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178802581] [2022-11-03 03:33:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 03:33:09,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178802581] [2022-11-03 03:33:09,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178802581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:09,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:09,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:33:09,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268278061] [2022-11-03 03:33:09,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:09,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:33:09,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:09,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:33:09,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:09,134 INFO L87 Difference]: Start difference. First operand 5662 states and 8194 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 03:33:11,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:14,651 INFO L93 Difference]: Finished difference Result 11324 states and 16408 transitions. [2022-11-03 03:33:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:33:14,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2022-11-03 03:33:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:14,683 INFO L225 Difference]: With dead ends: 11324 [2022-11-03 03:33:14,683 INFO L226 Difference]: Without dead ends: 5666 [2022-11-03 03:33:14,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:14,710 INFO L413 NwaCegarLoop]: 3291 mSDtfsCounter, 2 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6580 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:14,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6580 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 833 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 03:33:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5666 states. [2022-11-03 03:33:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5666 to 5664. [2022-11-03 03:33:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5664 states, 3503 states have (on average 1.3459891521552954) internal successors, (4715), 3739 states have internal predecessors, (4715), 1720 states have call successors, (1720), 476 states have call predecessors, (1720), 440 states have return successors, (1761), 1559 states have call predecessors, (1761), 1636 states have call successors, (1761) [2022-11-03 03:33:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5664 states to 5664 states and 8196 transitions. [2022-11-03 03:33:15,115 INFO L78 Accepts]: Start accepts. Automaton has 5664 states and 8196 transitions. Word has length 87 [2022-11-03 03:33:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:15,116 INFO L495 AbstractCegarLoop]: Abstraction has 5664 states and 8196 transitions. [2022-11-03 03:33:15,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 03:33:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 5664 states and 8196 transitions. [2022-11-03 03:33:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 03:33:15,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:15,121 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:15,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:33:15,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:15,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:15,122 INFO L85 PathProgramCache]: Analyzing trace with hash -955078979, now seen corresponding path program 1 times [2022-11-03 03:33:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:15,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618223140] [2022-11-03 03:33:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:15,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 03:33:16,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:16,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618223140] [2022-11-03 03:33:16,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618223140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:16,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:16,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:33:16,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317382654] [2022-11-03 03:33:16,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:16,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:33:16,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:33:16,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:16,016 INFO L87 Difference]: Start difference. First operand 5664 states and 8196 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 03:33:18,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:21,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:22,535 INFO L93 Difference]: Finished difference Result 11326 states and 16408 transitions. [2022-11-03 03:33:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:33:22,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2022-11-03 03:33:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:22,562 INFO L225 Difference]: With dead ends: 11326 [2022-11-03 03:33:22,562 INFO L226 Difference]: Without dead ends: 5666 [2022-11-03 03:33:22,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:33:22,582 INFO L413 NwaCegarLoop]: 3292 mSDtfsCounter, 0 mSDsluCounter, 3704 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6582 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:22,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6582 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 03:33:22,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5666 states. [2022-11-03 03:33:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5666 to 5666. [2022-11-03 03:33:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5666 states, 3505 states have (on average 1.3457917261055634) internal successors, (4717), 3741 states have internal predecessors, (4717), 1720 states have call successors, (1720), 476 states have call predecessors, (1720), 440 states have return successors, (1761), 1559 states have call predecessors, (1761), 1636 states have call successors, (1761) [2022-11-03 03:33:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5666 states to 5666 states and 8198 transitions. [2022-11-03 03:33:22,959 INFO L78 Accepts]: Start accepts. Automaton has 5666 states and 8198 transitions. Word has length 86 [2022-11-03 03:33:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:22,961 INFO L495 AbstractCegarLoop]: Abstraction has 5666 states and 8198 transitions. [2022-11-03 03:33:22,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 03:33:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5666 states and 8198 transitions. [2022-11-03 03:33:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 03:33:22,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:22,964 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:22,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 03:33:22,965 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:22,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash 437604720, now seen corresponding path program 1 times [2022-11-03 03:33:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:22,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058622174] [2022-11-03 03:33:22,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:22,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 03:33:23,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:23,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058622174] [2022-11-03 03:33:23,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058622174] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:33:23,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781778307] [2022-11-03 03:33:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:23,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77d052a2-3544-4f6d-9220-43145d8986ea/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:33:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:27,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 10537 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:33:27,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 03:33:27,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:33:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 03:33:27,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781778307] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:33:27,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2064345248] [2022-11-03 03:33:27,276 INFO L159 IcfgInterpreter]: Started Sifa with 74 locations of interest [2022-11-03 03:33:27,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:33:27,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:33:27,286 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:33:27,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:35:33,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 03:35:59,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6