./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/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_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 06:36:06,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:36:06,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:36:06,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:36:06,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:36:06,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:36:06,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:36:06,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:36:06,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:36:06,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:36:06,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:36:06,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:36:06,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:36:06,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:36:06,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:36:06,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:36:06,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:36:06,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:36:06,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:36:06,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:36:06,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:36:06,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:36:06,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:36:06,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:36:06,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:36:06,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:36:06,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:36:06,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:36:06,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:36:06,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:36:06,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:36:06,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:36:06,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:36:06,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:36:06,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:36:06,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:36:06,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:36:06,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:36:06,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:36:06,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:36:06,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:36:06,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:36:06,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:36:06,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:36:06,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:36:06,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:36:06,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:36:06,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:36:06,527 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:36:06,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:36:06,528 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:36:06,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:36:06,530 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:36:06,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:36:06,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:36:06,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:36:06,531 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:36:06,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:36:06,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:36:06,532 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:36:06,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:36:06,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:36:06,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:36:06,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:36:06,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:36:06,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:36:06,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:36:06,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:36:06,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:36:06,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:36:06,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:36:06,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:06,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:36:06,537 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:36:06,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:36:06,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:36:06,538 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:36:06,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:36:06,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:36:06,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:36:06,539 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_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2022-11-19 06:36:06,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:36:06,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:36:06,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:36:06,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:36:06,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:36:06,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/../../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 [2022-11-19 06:36:06,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/data/1508a17c8/00d93152fc874721956f6fa7fcf89e65/FLAGb2ffcc2ac [2022-11-19 06:36:08,446 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:36:08,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/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 [2022-11-19 06:36:08,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/data/1508a17c8/00d93152fc874721956f6fa7fcf89e65/FLAGb2ffcc2ac [2022-11-19 06:36:08,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/data/1508a17c8/00d93152fc874721956f6fa7fcf89e65 [2022-11-19 06:36:08,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:36:08,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:36:08,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:08,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:36:08,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:36:08,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:08" (1/1) ... [2022-11-19 06:36:08,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4a6668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:08, skipping insertion in model container [2022-11-19 06:36:08,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:08" (1/1) ... [2022-11-19 06:36:08,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:36:09,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:36:19,537 WARN L234 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_4d307398-243a-4d6f-af29-e9e2a0d7b894/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] [2022-11-19 06:36:19,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:19,866 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:36:21,230 WARN L234 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_4d307398-243a-4d6f-af29-e9e2a0d7b894/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] [2022-11-19 06:36:21,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:21,731 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:36:21,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21 WrapperNode [2022-11-19 06:36:21,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:21,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:21,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:36:21,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:36:21,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:22,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:22,518 INFO L138 Inliner]: procedures = 757, calls = 11350, calls flagged for inlining = 310, calls inlined = 146, statements flattened = 13911 [2022-11-19 06:36:22,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:22,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:36:22,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:36:22,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:36:22,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:22,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:22,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:22,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,347 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:36:23,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:36:23,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:36:23,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:36:23,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (1/1) ... [2022-11-19 06:36:23,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:23,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:36:23,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:36:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2022-11-19 06:36:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2022-11-19 06:36:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2022-11-19 06:36:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2022-11-19 06:36:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2022-11-19 06:36:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2022-11-19 06:36:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-19 06:36:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-19 06:36:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2022-11-19 06:36:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2022-11-19 06:36:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-19 06:36:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2022-11-19 06:36:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2022-11-19 06:36:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2022-11-19 06:36:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2022-11-19 06:36:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2022-11-19 06:36:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2022-11-19 06:36:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2022-11-19 06:36:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2022-11-19 06:36:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2022-11-19 06:36:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:36:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:36:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2022-11-19 06:36:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2022-11-19 06:36:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2022-11-19 06:36:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2022-11-19 06:36:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-19 06:36:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-19 06:36:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2022-11-19 06:36:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2022-11-19 06:36:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-19 06:36:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-19 06:36:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2022-11-19 06:36:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2022-11-19 06:36:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:36:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:36:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2022-11-19 06:36:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2022-11-19 06:36:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-19 06:36:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-19 06:36:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2022-11-19 06:36:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2022-11-19 06:36:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2022-11-19 06:36:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2022-11-19 06:36:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2022-11-19 06:36:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2022-11-19 06:36:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2022-11-19 06:36:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2022-11-19 06:36:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 06:36:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 06:36:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-19 06:36:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-19 06:36:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2022-11-19 06:36:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2022-11-19 06:36:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2022-11-19 06:36:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2022-11-19 06:36:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2022-11-19 06:36:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2022-11-19 06:36:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-19 06:36:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-19 06:36:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2022-11-19 06:36:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2022-11-19 06:36:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:36:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:36:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2022-11-19 06:36:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2022-11-19 06:36:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:36:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:36:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-19 06:36:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-19 06:36:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:36:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 06:36:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 06:36:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2022-11-19 06:36:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2022-11-19 06:36:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2022-11-19 06:36:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2022-11-19 06:36:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2022-11-19 06:36:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2022-11-19 06:36:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2022-11-19 06:36:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2022-11-19 06:36:23,802 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2022-11-19 06:36:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2022-11-19 06:36:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2022-11-19 06:36:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2022-11-19 06:36:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 06:36:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 06:36:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2022-11-19 06:36:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2022-11-19 06:36:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:36:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:36:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2022-11-19 06:36:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2022-11-19 06:36:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2022-11-19 06:36:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2022-11-19 06:36:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:36:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 06:36:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 06:36:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2022-11-19 06:36:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2022-11-19 06:36:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:36:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:36:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 06:36:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 06:36:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2022-11-19 06:36:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2022-11-19 06:36:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:36:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2022-11-19 06:36:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2022-11-19 06:36:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2022-11-19 06:36:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2022-11-19 06:36:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2022-11-19 06:36:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2022-11-19 06:36:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-19 06:36:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-19 06:36:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:36:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-19 06:36:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2022-11-19 06:36:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2022-11-19 06:36:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2022-11-19 06:36:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2022-11-19 06:36:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2022-11-19 06:36:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2022-11-19 06:36:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2022-11-19 06:36:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:36:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:36:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-19 06:36:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2022-11-19 06:36:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-19 06:36:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-19 06:36:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2022-11-19 06:36:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2022-11-19 06:36:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2022-11-19 06:36:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2022-11-19 06:36:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2022-11-19 06:36:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2022-11-19 06:36:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2022-11-19 06:36:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2022-11-19 06:36:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2022-11-19 06:36:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2022-11-19 06:36:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 06:36:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 06:36:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2022-11-19 06:36:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2022-11-19 06:36:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 06:36:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 06:36:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 06:36:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 06:36:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:36:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:36:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2022-11-19 06:36:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2022-11-19 06:36:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-19 06:36:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-19 06:36:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-19 06:36:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-19 06:36:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-19 06:36:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-19 06:36:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2022-11-19 06:36:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2022-11-19 06:36:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-19 06:36:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-19 06:36:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:36:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-19 06:36:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-19 06:36:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2022-11-19 06:36:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2022-11-19 06:36:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2022-11-19 06:36:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2022-11-19 06:36:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2022-11-19 06:36:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2022-11-19 06:36:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:36:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:36:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:36:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2022-11-19 06:36:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2022-11-19 06:36:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-19 06:36:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2022-11-19 06:36:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:36:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2022-11-19 06:36:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2022-11-19 06:36:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-19 06:36:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2022-11-19 06:36:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:36:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2022-11-19 06:36:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2022-11-19 06:36:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:36:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:36:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2022-11-19 06:36:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2022-11-19 06:36:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-19 06:36:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-19 06:36:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2022-11-19 06:36:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2022-11-19 06:36:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2022-11-19 06:36:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2022-11-19 06:36:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2022-11-19 06:36:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2022-11-19 06:36:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-19 06:36:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2022-11-19 06:36:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2022-11-19 06:36:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2022-11-19 06:36:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2022-11-19 06:36:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2022-11-19 06:36:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2022-11-19 06:36:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2022-11-19 06:36:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2022-11-19 06:36:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2022-11-19 06:36:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2022-11-19 06:36:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2022-11-19 06:36:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-19 06:36:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-19 06:36:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2022-11-19 06:36:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2022-11-19 06:36:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2022-11-19 06:36:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2022-11-19 06:36:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2022-11-19 06:36:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2022-11-19 06:36:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2022-11-19 06:36:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2022-11-19 06:36:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 06:36:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 06:36:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:36:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:36:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2022-11-19 06:36:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2022-11-19 06:36:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2022-11-19 06:36:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2022-11-19 06:36:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-19 06:36:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-19 06:36:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2022-11-19 06:36:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2022-11-19 06:36:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-19 06:36:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-19 06:36:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2022-11-19 06:36:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2022-11-19 06:36:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2022-11-19 06:36:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2022-11-19 06:36:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-19 06:36:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-19 06:36:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2022-11-19 06:36:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2022-11-19 06:36:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 06:36:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 06:36:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 06:36:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 06:36:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 06:36:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 06:36:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-19 06:36:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-19 06:36:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2022-11-19 06:36:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2022-11-19 06:36:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2022-11-19 06:36:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2022-11-19 06:36:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:36:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:36:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2022-11-19 06:36:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2022-11-19 06:36:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2022-11-19 06:36:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2022-11-19 06:36:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:36:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:36:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2022-11-19 06:36:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2022-11-19 06:36:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2022-11-19 06:36:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2022-11-19 06:36:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2022-11-19 06:36:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2022-11-19 06:36:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2022-11-19 06:36:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2022-11-19 06:36:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 06:36:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 06:36:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:36:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:36:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2022-11-19 06:36:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2022-11-19 06:36:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2022-11-19 06:36:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2022-11-19 06:36:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2022-11-19 06:36:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2022-11-19 06:36:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 06:36:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 06:36:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-19 06:36:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-19 06:36:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:36:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2022-11-19 06:36:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2022-11-19 06:36:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2022-11-19 06:36:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2022-11-19 06:36:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2022-11-19 06:36:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2022-11-19 06:36:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2022-11-19 06:36:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2022-11-19 06:36:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2022-11-19 06:36:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2022-11-19 06:36:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-19 06:36:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2022-11-19 06:36:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2022-11-19 06:36:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2022-11-19 06:36:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2022-11-19 06:36:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2022-11-19 06:36:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2022-11-19 06:36:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2022-11-19 06:36:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-19 06:36:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-19 06:36:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 06:36:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 06:36:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-19 06:36:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-19 06:36:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-19 06:36:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-19 06:36:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:36:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:36:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:36:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:36:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2022-11-19 06:36:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2022-11-19 06:36:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2022-11-19 06:36:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2022-11-19 06:36:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:36:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:36:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2022-11-19 06:36:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2022-11-19 06:36:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 06:36:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 06:36:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 06:36:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 06:36:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 06:36:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 06:36:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2022-11-19 06:36:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2022-11-19 06:36:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2022-11-19 06:36:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2022-11-19 06:36:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2022-11-19 06:36:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2022-11-19 06:36:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2022-11-19 06:36:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2022-11-19 06:36:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 06:36:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 06:36:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:36:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 06:36:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 06:36:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2022-11-19 06:36:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2022-11-19 06:36:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2022-11-19 06:36:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2022-11-19 06:36:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2022-11-19 06:36:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2022-11-19 06:36:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:36:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2022-11-19 06:36:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2022-11-19 06:36:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-19 06:36:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-19 06:36:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2022-11-19 06:36:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2022-11-19 06:36:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-19 06:36:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-19 06:36:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2022-11-19 06:36:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2022-11-19 06:36:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2022-11-19 06:36:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2022-11-19 06:36:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2022-11-19 06:36:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2022-11-19 06:36:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2022-11-19 06:36:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2022-11-19 06:36:23,908 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2022-11-19 06:36:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2022-11-19 06:36:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:36:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2022-11-19 06:36:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2022-11-19 06:36:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 06:36:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 06:36:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-19 06:36:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 06:36:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 06:36:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 06:36:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 06:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2022-11-19 06:36:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2022-11-19 06:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2022-11-19 06:36:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2022-11-19 06:36:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2022-11-19 06:36:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2022-11-19 06:36:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2022-11-19 06:36:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2022-11-19 06:36:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2022-11-19 06:36:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2022-11-19 06:36:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2022-11-19 06:36:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2022-11-19 06:36:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2022-11-19 06:36:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2022-11-19 06:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 06:36:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 06:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2022-11-19 06:36:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2022-11-19 06:36:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 06:36:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 06:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-19 06:36:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-19 06:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2022-11-19 06:36:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2022-11-19 06:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-19 06:36:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2022-11-19 06:36:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-19 06:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-19 06:36:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-19 06:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-19 06:36:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2022-11-19 06:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2022-11-19 06:36:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2022-11-19 06:36:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2022-11-19 06:36:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-19 06:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2022-11-19 06:36:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2022-11-19 06:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2022-11-19 06:36:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 06:36:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 06:36:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2022-11-19 06:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2022-11-19 06:36:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 06:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 06:36:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2022-11-19 06:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2022-11-19 06:36:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2022-11-19 06:36:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2022-11-19 06:36:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2022-11-19 06:36:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2022-11-19 06:36:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2022-11-19 06:36:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2022-11-19 06:36:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2022-11-19 06:36:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2022-11-19 06:36:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2022-11-19 06:36:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2022-11-19 06:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2022-11-19 06:36:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2022-11-19 06:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2022-11-19 06:36:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2022-11-19 06:36:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:36:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-19 06:36:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-19 06:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-19 06:36:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2022-11-19 06:36:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2022-11-19 06:36:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2022-11-19 06:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:36:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2022-11-19 06:36:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2022-11-19 06:36:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2022-11-19 06:36:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2022-11-19 06:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2022-11-19 06:36:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2022-11-19 06:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2022-11-19 06:36:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2022-11-19 06:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2022-11-19 06:36:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2022-11-19 06:36:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2022-11-19 06:36:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2022-11-19 06:36:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-19 06:36:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-19 06:36:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 06:36:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 06:36:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-19 06:36:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2022-11-19 06:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-19 06:36:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2022-11-19 06:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-19 06:36:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-19 06:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2022-11-19 06:36:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2022-11-19 06:36:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2022-11-19 06:36:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2022-11-19 06:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2022-11-19 06:36:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2022-11-19 06:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-19 06:36:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-19 06:36:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-19 06:36:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2022-11-19 06:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2022-11-19 06:36:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2022-11-19 06:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 06:36:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 06:36:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2022-11-19 06:36:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2022-11-19 06:36:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2022-11-19 06:36:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2022-11-19 06:36:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:36:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:36:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2022-11-19 06:36:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2022-11-19 06:36:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 06:36:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 06:36:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 06:36:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 06:36:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 06:36:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 06:36:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-19 06:36:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2022-11-19 06:36:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:36:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2022-11-19 06:36:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2022-11-19 06:36:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2022-11-19 06:36:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2022-11-19 06:36:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 06:36:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 06:36:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 06:36:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-19 06:36:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-19 06:36:26,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:36:26,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:36:53,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:37:03,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:37:03,259 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:37:03,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:37:03 BoogieIcfgContainer [2022-11-19 06:37:03,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:37:03,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:37:03,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:37:03,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:37:03,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:36:08" (1/3) ... [2022-11-19 06:37:03,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec7b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:37:03, skipping insertion in model container [2022-11-19 06:37:03,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:21" (2/3) ... [2022-11-19 06:37:03,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec7b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:37:03, skipping insertion in model container [2022-11-19 06:37:03,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:37:03" (3/3) ... [2022-11-19 06:37:03,280 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 [2022-11-19 06:37:03,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:37:03,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:37:03,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:37:03,500 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;@767cd0c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:37:03,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:37:03,517 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) [2022-11-19 06:37:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:37:03,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:03,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:03,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:03,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:03,535 INFO L85 PathProgramCache]: Analyzing trace with hash -237353853, now seen corresponding path program 1 times [2022-11-19 06:37:03,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36556600] [2022-11-19 06:37:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:03,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:05,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:05,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36556600] [2022-11-19 06:37:05,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36556600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:05,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:05,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:37:05,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001521278] [2022-11-19 06:37:05,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:05,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:05,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:05,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:05,329 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) [2022-11-19 06:37:07,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:13,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:14,286 INFO L93 Difference]: Finished difference Result 7647 states and 11496 transitions. [2022-11-19 06:37:14,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:14,289 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 [2022-11-19 06:37:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:14,362 INFO L225 Difference]: With dead ends: 7647 [2022-11-19 06:37:14,363 INFO L226 Difference]: Without dead ends: 3826 [2022-11-19 06:37:14,423 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 [2022-11-19 06:37:14,429 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 5595 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5597 SdHoareTripleChecker+Valid, 5071 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:14,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5597 Valid, 5071 Invalid, 572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 571 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-19 06:37:14,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2022-11-19 06:37:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3820. [2022-11-19 06:37:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2348 states have (on average 1.352640545144804) internal successors, (3176), 2473 states have internal predecessors, (3176), 1224 states have call successors, (1224), 249 states have call predecessors, (1224), 247 states have return successors, (1214), 1167 states have call predecessors, (1214), 1214 states have call successors, (1214) [2022-11-19 06:37:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5614 transitions. [2022-11-19 06:37:14,996 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5614 transitions. Word has length 10 [2022-11-19 06:37:14,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:14,997 INFO L495 AbstractCegarLoop]: Abstraction has 3820 states and 5614 transitions. [2022-11-19 06:37:14,998 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) [2022-11-19 06:37:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5614 transitions. [2022-11-19 06:37:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 06:37:15,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:15,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:15,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:37:15,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:15,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1229789876, now seen corresponding path program 1 times [2022-11-19 06:37:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:15,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385133266] [2022-11-19 06:37:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:15,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:16,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:16,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385133266] [2022-11-19 06:37:16,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385133266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:16,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:16,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:37:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914814146] [2022-11-19 06:37:16,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:16,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:16,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:16,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:16,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:16,057 INFO L87 Difference]: Start difference. First operand 3820 states and 5614 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) [2022-11-19 06:37:18,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:20,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:26,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:28,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:31,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:31,612 INFO L93 Difference]: Finished difference Result 10668 states and 16342 transitions. [2022-11-19 06:37:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:31,613 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 [2022-11-19 06:37:31,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:31,675 INFO L225 Difference]: With dead ends: 10668 [2022-11-19 06:37:31,675 INFO L226 Difference]: Without dead ends: 6852 [2022-11-19 06:37:31,711 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 [2022-11-19 06:37:31,713 INFO L413 NwaCegarLoop]: 8006 mSDtfsCounter, 4596 mSDsluCounter, 5156 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4596 SdHoareTripleChecker+Valid, 13162 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:31,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4596 Valid, 13162 Invalid, 1446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1435 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-11-19 06:37:31,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2022-11-19 06:37:32,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6845. [2022-11-19 06:37:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6845 states, 4193 states have (on average 1.3415215835917005) internal successors, (5625), 4417 states have internal predecessors, (5625), 2181 states have call successors, (2181), 476 states have call predecessors, (2181), 470 states have return successors, (2535), 2084 states have call predecessors, (2535), 2164 states have call successors, (2535) [2022-11-19 06:37:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6845 states to 6845 states and 10341 transitions. [2022-11-19 06:37:32,343 INFO L78 Accepts]: Start accepts. Automaton has 6845 states and 10341 transitions. Word has length 11 [2022-11-19 06:37:32,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:32,343 INFO L495 AbstractCegarLoop]: Abstraction has 6845 states and 10341 transitions. [2022-11-19 06:37:32,345 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) [2022-11-19 06:37:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 6845 states and 10341 transitions. [2022-11-19 06:37:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 06:37:32,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:32,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:32,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:37:32,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:32,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash -533389914, now seen corresponding path program 1 times [2022-11-19 06:37:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:32,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262916240] [2022-11-19 06:37:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:32,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:33,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:33,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262916240] [2022-11-19 06:37:33,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262916240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:33,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:33,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:37:33,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225215878] [2022-11-19 06:37:33,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:33,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:33,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:33,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:33,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:33,219 INFO L87 Difference]: Start difference. First operand 6845 states and 10341 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) [2022-11-19 06:37:35,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:40,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:40,295 INFO L93 Difference]: Finished difference Result 6847 states and 10342 transitions. [2022-11-19 06:37:40,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:40,296 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 [2022-11-19 06:37:40,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:40,359 INFO L225 Difference]: With dead ends: 6847 [2022-11-19 06:37:40,359 INFO L226 Difference]: Without dead ends: 6844 [2022-11-19 06:37:40,365 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 [2022-11-19 06:37:40,369 INFO L413 NwaCegarLoop]: 5031 mSDtfsCounter, 5587 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5587 SdHoareTripleChecker+Valid, 5032 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:40,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5587 Valid, 5032 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-19 06:37:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6844 states. [2022-11-19 06:37:41,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6844 to 6844. [2022-11-19 06:37:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6844 states, 4193 states have (on average 1.3412830908657285) internal successors, (5624), 4416 states have internal predecessors, (5624), 2180 states have call successors, (2180), 476 states have call predecessors, (2180), 470 states have return successors, (2535), 2084 states have call predecessors, (2535), 2164 states have call successors, (2535) [2022-11-19 06:37:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 10339 transitions. [2022-11-19 06:37:41,145 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 10339 transitions. Word has length 12 [2022-11-19 06:37:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:41,145 INFO L495 AbstractCegarLoop]: Abstraction has 6844 states and 10339 transitions. [2022-11-19 06:37:41,146 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) [2022-11-19 06:37:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 10339 transitions. [2022-11-19 06:37:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:37:41,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:41,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:41,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:37:41,148 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:41,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:41,149 INFO L85 PathProgramCache]: Analyzing trace with hash 642616311, now seen corresponding path program 1 times [2022-11-19 06:37:41,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:41,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356085963] [2022-11-19 06:37:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:41,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:37:41,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:41,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356085963] [2022-11-19 06:37:41,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356085963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:41,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:41,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:37:41,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797661386] [2022-11-19 06:37:41,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:41,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:37:41,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:41,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:37:41,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:37:41,982 INFO L87 Difference]: Start difference. First operand 6844 states and 10339 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) [2022-11-19 06:37:43,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:45,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:49,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:37:53,794 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 [] [2022-11-19 06:37:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:57,313 INFO L93 Difference]: Finished difference Result 19775 states and 32014 transitions. [2022-11-19 06:37:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:37:57,314 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 [2022-11-19 06:37:57,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:57,596 INFO L225 Difference]: With dead ends: 19775 [2022-11-19 06:37:57,597 INFO L226 Difference]: Without dead ends: 12930 [2022-11-19 06:37:57,665 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 [2022-11-19 06:37:57,668 INFO L413 NwaCegarLoop]: 9245 mSDtfsCounter, 5756 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5756 SdHoareTripleChecker+Valid, 14461 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:57,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5756 Valid, 14461 Invalid, 1526 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-19 06:37:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12930 states. [2022-11-19 06:37:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12930 to 12905. [2022-11-19 06:37:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12905 states, 7895 states have (on average 1.3416086130462317) internal successors, (10592), 8336 states have internal predecessors, (10592), 4115 states have call successors, (4115), 920 states have call predecessors, (4115), 894 states have return successors, (5622), 3905 states have call predecessors, (5622), 4098 states have call successors, (5622) [2022-11-19 06:37:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12905 states to 12905 states and 20329 transitions. [2022-11-19 06:37:59,013 INFO L78 Accepts]: Start accepts. Automaton has 12905 states and 20329 transitions. Word has length 13 [2022-11-19 06:37:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:59,014 INFO L495 AbstractCegarLoop]: Abstraction has 12905 states and 20329 transitions. [2022-11-19 06:37:59,014 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) [2022-11-19 06:37:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12905 states and 20329 transitions. [2022-11-19 06:37:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 06:37:59,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:59,025 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] [2022-11-19 06:37:59,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:37:59,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:59,026 INFO L85 PathProgramCache]: Analyzing trace with hash -944729276, now seen corresponding path program 1 times [2022-11-19 06:37:59,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:59,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517050964] [2022-11-19 06:37:59,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:59,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:38:01,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:01,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517050964] [2022-11-19 06:38:01,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517050964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:01,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:01,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:38:01,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519549430] [2022-11-19 06:38:01,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:01,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:38:01,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:01,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:38:01,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:38:01,884 INFO L87 Difference]: Start difference. First operand 12905 states and 20329 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) [2022-11-19 06:38:05,201 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 [] [2022-11-19 06:38:11,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:13,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:15,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:18,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:18,322 INFO L93 Difference]: Finished difference Result 30644 states and 50374 transitions. [2022-11-19 06:38:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:38:18,322 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 [2022-11-19 06:38:18,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:18,447 INFO L225 Difference]: With dead ends: 30644 [2022-11-19 06:38:18,447 INFO L226 Difference]: Without dead ends: 17743 [2022-11-19 06:38:18,593 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 [2022-11-19 06:38:18,593 INFO L413 NwaCegarLoop]: 5935 mSDtfsCounter, 3815 mSDsluCounter, 9534 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 15469 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:18,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3815 Valid, 15469 Invalid, 1688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1682 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-11-19 06:38:18,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17743 states. [2022-11-19 06:38:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17743 to 17709. [2022-11-19 06:38:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17709 states, 10852 states have (on average 1.3455584224106156) internal successors, (14602), 11516 states have internal predecessors, (14602), 5613 states have call successors, (5613), 1309 states have call predecessors, (5613), 1243 states have return successors, (7295), 5250 states have call predecessors, (7295), 5529 states have call successors, (7295) [2022-11-19 06:38:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17709 states to 17709 states and 27510 transitions. [2022-11-19 06:38:20,316 INFO L78 Accepts]: Start accepts. Automaton has 17709 states and 27510 transitions. Word has length 55 [2022-11-19 06:38:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:38:20,317 INFO L495 AbstractCegarLoop]: Abstraction has 17709 states and 27510 transitions. [2022-11-19 06:38:20,318 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) [2022-11-19 06:38:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17709 states and 27510 transitions. [2022-11-19 06:38:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 06:38:20,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:38:20,320 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] [2022-11-19 06:38:20,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:38:20,321 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:38:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:38:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash 820254890, now seen corresponding path program 1 times [2022-11-19 06:38:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:38:20,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086241770] [2022-11-19 06:38:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:38:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:38:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:38:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:38:22,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:38:22,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086241770] [2022-11-19 06:38:22,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086241770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:38:22,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:38:22,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:38:22,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299780577] [2022-11-19 06:38:22,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:38:22,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:38:22,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:38:22,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:38:22,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:38:22,854 INFO L87 Difference]: Start difference. First operand 17709 states and 27510 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:38:25,804 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 [] [2022-11-19 06:38:43,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:48,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:50,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:38:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:38:58,270 INFO L93 Difference]: Finished difference Result 42856 states and 70667 transitions. [2022-11-19 06:38:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:38:58,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 56 [2022-11-19 06:38:58,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:38:58,444 INFO L225 Difference]: With dead ends: 42856 [2022-11-19 06:38:58,444 INFO L226 Difference]: Without dead ends: 25148 [2022-11-19 06:38:58,870 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 [2022-11-19 06:38:58,871 INFO L413 NwaCegarLoop]: 5021 mSDtfsCounter, 6494 mSDsluCounter, 3743 mSDsCounter, 0 mSdLazyCounter, 9405 mSolverCounterSat, 3917 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7397 SdHoareTripleChecker+Valid, 8764 SdHoareTripleChecker+Invalid, 13323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3917 IncrementalHoareTripleChecker+Valid, 9405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:38:58,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7397 Valid, 8764 Invalid, 13323 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3917 Valid, 9405 Invalid, 1 Unknown, 0 Unchecked, 33.1s Time] [2022-11-19 06:38:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25148 states. [2022-11-19 06:39:01,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25148 to 24947. [2022-11-19 06:39:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24947 states, 15371 states have (on average 1.349098952573027) internal successors, (20737), 16317 states have internal predecessors, (20737), 7827 states have call successors, (7827), 1684 states have call predecessors, (7827), 1748 states have return successors, (10693), 7494 states have call predecessors, (10693), 7743 states have call successors, (10693) [2022-11-19 06:39:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24947 states to 24947 states and 39257 transitions. [2022-11-19 06:39:01,265 INFO L78 Accepts]: Start accepts. Automaton has 24947 states and 39257 transitions. Word has length 56 [2022-11-19 06:39:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:01,266 INFO L495 AbstractCegarLoop]: Abstraction has 24947 states and 39257 transitions. [2022-11-19 06:39:01,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:39:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 24947 states and 39257 transitions. [2022-11-19 06:39:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 06:39:01,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:01,274 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] [2022-11-19 06:39:01,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:39:01,274 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:01,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:01,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1622182760, now seen corresponding path program 1 times [2022-11-19 06:39:01,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:01,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72665243] [2022-11-19 06:39:01,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:04,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:04,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72665243] [2022-11-19 06:39:04,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72665243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:04,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:04,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:39:04,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734905725] [2022-11-19 06:39:04,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:04,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:39:04,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:04,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:39:04,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:39:04,171 INFO L87 Difference]: Start difference. First operand 24947 states and 39257 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:39:07,887 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 [] [2022-11-19 06:39:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:21,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:28,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:32,997 INFO L93 Difference]: Finished difference Result 57448 states and 93149 transitions. [2022-11-19 06:39:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:39:32,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 56 [2022-11-19 06:39:32,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:33,198 INFO L225 Difference]: With dead ends: 57448 [2022-11-19 06:39:33,198 INFO L226 Difference]: Without dead ends: 32505 [2022-11-19 06:39:33,457 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 [2022-11-19 06:39:33,459 INFO L413 NwaCegarLoop]: 8232 mSDtfsCounter, 10863 mSDsluCounter, 14160 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 5165 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10863 SdHoareTripleChecker+Valid, 22392 SdHoareTripleChecker+Invalid, 7747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5165 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:33,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10863 Valid, 22392 Invalid, 7747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5165 Valid, 2580 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2022-11-19 06:39:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32505 states. [2022-11-19 06:39:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32505 to 32352. [2022-11-19 06:39:36,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32352 states, 19806 states have (on average 1.3445925477128142) internal successors, (26631), 21138 states have internal predecessors, (26631), 10161 states have call successors, (10161), 2386 states have call predecessors, (10161), 2384 states have return successors, (12940), 9573 states have call predecessors, (12940), 9970 states have call successors, (12940) [2022-11-19 06:39:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32352 states to 32352 states and 49732 transitions. [2022-11-19 06:39:36,490 INFO L78 Accepts]: Start accepts. Automaton has 32352 states and 49732 transitions. Word has length 56 [2022-11-19 06:39:36,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:36,491 INFO L495 AbstractCegarLoop]: Abstraction has 32352 states and 49732 transitions. [2022-11-19 06:39:36,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:39:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32352 states and 49732 transitions. [2022-11-19 06:39:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 06:39:36,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:36,495 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] [2022-11-19 06:39:36,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:39:36,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash -592996344, now seen corresponding path program 1 times [2022-11-19 06:39:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:36,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413412120] [2022-11-19 06:39:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:39:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:39:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:39:38,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:39:38,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413412120] [2022-11-19 06:39:38,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413412120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:39:38,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:39:38,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:39:38,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000299902] [2022-11-19 06:39:38,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:39:38,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:39:38,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:39:38,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:39:38,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:39:38,497 INFO L87 Difference]: Start difference. First operand 32352 states and 49732 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) [2022-11-19 06:39:40,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:42,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:46,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:47,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:52,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:39:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:39:55,224 INFO L93 Difference]: Finished difference Result 64724 states and 99552 transitions. [2022-11-19 06:39:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:39:55,224 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 [2022-11-19 06:39:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:39:55,576 INFO L225 Difference]: With dead ends: 64724 [2022-11-19 06:39:55,576 INFO L226 Difference]: Without dead ends: 32376 [2022-11-19 06:39:55,774 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 [2022-11-19 06:39:55,775 INFO L413 NwaCegarLoop]: 5022 mSDtfsCounter, 3 mSDsluCounter, 10041 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15063 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:39:55,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 15063 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-11-19 06:39:55,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32376 states. [2022-11-19 06:39:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32376 to 32368. [2022-11-19 06:39:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32368 states, 19820 states have (on average 1.3443491422805247) internal successors, (26645), 21154 states have internal predecessors, (26645), 10161 states have call successors, (10161), 2386 states have call predecessors, (10161), 2386 states have return successors, (12944), 9573 states have call predecessors, (12944), 9970 states have call successors, (12944) [2022-11-19 06:39:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32368 states to 32368 states and 49750 transitions. [2022-11-19 06:39:58,107 INFO L78 Accepts]: Start accepts. Automaton has 32368 states and 49750 transitions. Word has length 60 [2022-11-19 06:39:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:39:58,108 INFO L495 AbstractCegarLoop]: Abstraction has 32368 states and 49750 transitions. [2022-11-19 06:39:58,108 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) [2022-11-19 06:39:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32368 states and 49750 transitions. [2022-11-19 06:39:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:39:58,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:39:58,110 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] [2022-11-19 06:39:58,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:39:58,110 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:39:58,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:39:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1683069586, now seen corresponding path program 1 times [2022-11-19 06:39:58,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:39:58,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925089916] [2022-11-19 06:39:58,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:39:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:04,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:04,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925089916] [2022-11-19 06:40:04,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925089916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:04,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:04,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:40:04,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132226308] [2022-11-19 06:40:04,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:04,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:40:04,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:04,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:40:04,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:40:04,034 INFO L87 Difference]: Start difference. First operand 32368 states and 49750 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) [2022-11-19 06:40:06,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:07,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:10,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:12,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:35,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:44,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:44,473 INFO L93 Difference]: Finished difference Result 32646 states and 50109 transitions. [2022-11-19 06:40:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:40:44,474 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 [2022-11-19 06:40:44,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:44,639 INFO L225 Difference]: With dead ends: 32646 [2022-11-19 06:40:44,639 INFO L226 Difference]: Without dead ends: 32638 [2022-11-19 06:40:44,663 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 [2022-11-19 06:40:44,663 INFO L413 NwaCegarLoop]: 5227 mSDtfsCounter, 11946 mSDsluCounter, 5585 mSDsCounter, 0 mSdLazyCounter, 10367 mSolverCounterSat, 9945 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12846 SdHoareTripleChecker+Valid, 10812 SdHoareTripleChecker+Invalid, 20313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9945 IncrementalHoareTripleChecker+Valid, 10367 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:44,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12846 Valid, 10812 Invalid, 20313 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9945 Valid, 10367 Invalid, 1 Unknown, 0 Unchecked, 38.3s Time] [2022-11-19 06:40:44,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32638 states. [2022-11-19 06:40:46,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32638 to 32496. [2022-11-19 06:40:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32496 states, 19904 states have (on average 1.3442524115755627) internal successors, (26756), 21238 states have internal predecessors, (26756), 10189 states have call successors, (10189), 2402 states have call predecessors, (10189), 2402 states have return successors, (12988), 9601 states have call predecessors, (12988), 9998 states have call successors, (12988) [2022-11-19 06:40:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32496 states to 32496 states and 49933 transitions. [2022-11-19 06:40:47,246 INFO L78 Accepts]: Start accepts. Automaton has 32496 states and 49933 transitions. Word has length 58 [2022-11-19 06:40:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:47,246 INFO L495 AbstractCegarLoop]: Abstraction has 32496 states and 49933 transitions. [2022-11-19 06:40:47,246 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) [2022-11-19 06:40:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32496 states and 49933 transitions. [2022-11-19 06:40:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-19 06:40:47,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:47,260 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] [2022-11-19 06:40:47,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:40:47,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:47,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1863341173, now seen corresponding path program 1 times [2022-11-19 06:40:47,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:47,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798101179] [2022-11-19 06:40:47,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:40:48,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:48,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798101179] [2022-11-19 06:40:48,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798101179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:48,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:48,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:40:48,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711546843] [2022-11-19 06:40:48,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:48,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:40:48,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:48,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:40:48,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:40:48,292 INFO L87 Difference]: Start difference. First operand 32496 states and 49933 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) [2022-11-19 06:40:50,734 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 [] [2022-11-19 06:40:53,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:40:57,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:57,985 INFO L93 Difference]: Finished difference Result 64996 states and 99894 transitions. [2022-11-19 06:40:57,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:40:57,986 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 [2022-11-19 06:40:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:58,274 INFO L225 Difference]: With dead ends: 64996 [2022-11-19 06:40:58,275 INFO L226 Difference]: Without dead ends: 32504 [2022-11-19 06:40:58,398 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 [2022-11-19 06:40:58,399 INFO L413 NwaCegarLoop]: 5019 mSDtfsCounter, 2 mSDsluCounter, 5017 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10036 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:58,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10036 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1129 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 06:40:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32504 states. [2022-11-19 06:40:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32504 to 32500. [2022-11-19 06:40:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32500 states, 19908 states have (on average 1.34418324291742) internal successors, (26760), 21242 states have internal predecessors, (26760), 10189 states have call successors, (10189), 2402 states have call predecessors, (10189), 2402 states have return successors, (12988), 9601 states have call predecessors, (12988), 9998 states have call successors, (12988) [2022-11-19 06:41:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32500 states to 32500 states and 49937 transitions. [2022-11-19 06:41:00,279 INFO L78 Accepts]: Start accepts. Automaton has 32500 states and 49937 transitions. Word has length 87 [2022-11-19 06:41:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:00,280 INFO L495 AbstractCegarLoop]: Abstraction has 32500 states and 49937 transitions. [2022-11-19 06:41:00,280 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) [2022-11-19 06:41:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32500 states and 49937 transitions. [2022-11-19 06:41:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-19 06:41:00,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:00,286 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] [2022-11-19 06:41:00,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:41:00,287 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:00,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1254011032, now seen corresponding path program 1 times [2022-11-19 06:41:00,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:00,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315582900] [2022-11-19 06:41:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:41:01,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:01,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315582900] [2022-11-19 06:41:01,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315582900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:01,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:41:01,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:41:01,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794984127] [2022-11-19 06:41:01,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:01,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:41:01,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:01,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:41:01,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:41:01,253 INFO L87 Difference]: Start difference. First operand 32500 states and 49937 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) [2022-11-19 06:41:02,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:41:07,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:41:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:11,831 INFO L93 Difference]: Finished difference Result 65000 states and 99894 transitions. [2022-11-19 06:41:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:41:11,832 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 [2022-11-19 06:41:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:11,967 INFO L225 Difference]: With dead ends: 65000 [2022-11-19 06:41:11,967 INFO L226 Difference]: Without dead ends: 32504 [2022-11-19 06:41:12,288 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 [2022-11-19 06:41:12,288 INFO L413 NwaCegarLoop]: 5020 mSDtfsCounter, 0 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10038 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:12,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10038 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-19 06:41:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32504 states. [2022-11-19 06:41:13,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32504 to 32504. [2022-11-19 06:41:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32504 states, 19912 states have (on average 1.3441141020490157) internal successors, (26764), 21246 states have internal predecessors, (26764), 10189 states have call successors, (10189), 2402 states have call predecessors, (10189), 2402 states have return successors, (12988), 9601 states have call predecessors, (12988), 9998 states have call successors, (12988) [2022-11-19 06:41:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32504 states to 32504 states and 49941 transitions. [2022-11-19 06:41:14,005 INFO L78 Accepts]: Start accepts. Automaton has 32504 states and 49941 transitions. Word has length 86 [2022-11-19 06:41:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:14,005 INFO L495 AbstractCegarLoop]: Abstraction has 32504 states and 49941 transitions. [2022-11-19 06:41:14,006 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) [2022-11-19 06:41:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 32504 states and 49941 transitions. [2022-11-19 06:41:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-19 06:41:14,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:14,012 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] [2022-11-19 06:41:14,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 06:41:14,013 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash 555691191, now seen corresponding path program 1 times [2022-11-19 06:41:14,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889239772] [2022-11-19 06:41:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:14,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:41:15,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:15,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889239772] [2022-11-19 06:41:15,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889239772] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:41:15,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283859161] [2022-11-19 06:41:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:15,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:15,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:15,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d307398-243a-4d6f-af29-e9e2a0d7b894/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:41:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:18,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 11109 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:41:18,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:41:19,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:41:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:41:19,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283859161] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:41:19,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [824098952] [2022-11-19 06:41:19,156 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 06:41:19,158 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:41:19,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:41:19,169 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:41:19,169 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs