./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/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 abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 --- 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 07:33:45,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:33:45,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:33:45,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:33:45,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:33:45,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:33:45,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:33:45,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:33:45,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:33:45,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:33:45,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:33:45,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:33:45,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:33:45,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:33:45,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:33:45,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:33:45,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:33:45,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:33:45,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:33:45,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:33:45,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:33:45,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:33:45,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:33:45,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:33:45,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:33:45,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:33:45,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:33:45,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:33:45,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:33:45,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:33:45,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:33:45,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:33:45,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:33:45,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:33:45,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:33:45,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:33:45,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:33:45,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:33:45,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:33:45,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:33:45,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:33:45,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:33:45,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:33:45,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:33:45,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:33:45,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:33:45,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:33:45,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:33:45,714 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:33:45,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:33:45,715 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:33:45,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:33:45,716 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:33:45,717 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:33:45,717 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:33:45,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:33:45,718 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:33:45,718 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:33:45,718 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:33:45,719 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:33:45,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:33:45,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:33:45,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:33:45,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:33:45,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:33:45,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:33:45,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:33:45,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:33:45,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:33:45,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:33:45,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:33:45,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:45,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:33:45,724 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:33:45,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:33:45,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:33:45,724 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:33:45,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:33:45,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:33:45,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:33:45,726 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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 [2022-11-19 07:33:46,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:33:46,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:33:46,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:33:46,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:33:46,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:33:46,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-19 07:33:46,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/data/5c90620ef/9e3483f9d866488294ca8f311aac86fd/FLAG1dd1c2cb3 [2022-11-19 07:33:47,438 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:33:47,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-19 07:33:47,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/data/5c90620ef/9e3483f9d866488294ca8f311aac86fd/FLAG1dd1c2cb3 [2022-11-19 07:33:48,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/data/5c90620ef/9e3483f9d866488294ca8f311aac86fd [2022-11-19 07:33:48,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:33:48,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:33:48,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:48,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:33:48,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:33:48,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:48" (1/1) ... [2022-11-19 07:33:48,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7159cadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:48, skipping insertion in model container [2022-11-19 07:33:48,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:48" (1/1) ... [2022-11-19 07:33:48,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:33:48,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:33:55,014 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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2022-11-19 07:33:55,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:55,196 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:33:56,853 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_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2022-11-19 07:33:56,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:57,164 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:33:57,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57 WrapperNode [2022-11-19 07:33:57,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:57,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:57,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:33:57,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:33:57,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:57,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:58,197 INFO L138 Inliner]: procedures = 624, calls = 8967, calls flagged for inlining = 309, calls inlined = 304, statements flattened = 19739 [2022-11-19 07:33:58,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:58,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:33:58,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:33:58,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:33:58,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:58,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:58,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:58,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:58,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:59,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:59,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:59,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:59,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:33:59,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:33:59,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:33:59,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:33:59,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (1/1) ... [2022-11-19 07:33:59,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:59,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:33:59,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:33:59,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_vpd [2022-11-19 07:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_vpd [2022-11-19 07:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_shutdown [2022-11-19 07:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_shutdown [2022-11-19 07:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 07:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_ldump_data_section [2022-11-19 07:33:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_ldump_data_section [2022-11-19 07:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:33:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_clear_res_target [2022-11-19 07:33:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_clear_res_target [2022-11-19 07:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_res_entry [2022-11-19 07:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_res_entry [2022-11-19 07:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:33:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:33:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:33:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:33:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure _ipr_initiate_ioa_reset [2022-11-19 07:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _ipr_initiate_ioa_reset [2022-11-19 07:33:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-19 07:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-19 07:33:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ata_post_internal [2022-11-19 07:33:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ata_post_internal [2022-11-19 07:33:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_mode_page [2022-11-19 07:33:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_mode_page [2022-11-19 07:33:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_page24_failed [2022-11-19 07:33:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_page24_failed [2022-11-19 07:33:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:33:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:33:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-19 07:33:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-19 07:33:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa [2022-11-19 07:33:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa [2022-11-19 07:33:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-19 07:33:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-19 07:33:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reinit_ipr_cmnd [2022-11-19 07:33:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reinit_ipr_cmnd [2022-11-19 07:33:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:33:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:33:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:33:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:33:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_dump [2022-11-19 07:33:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_dump [2022-11-19 07:33:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_all_resources [2022-11-19 07:33:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_all_resources [2022-11-19 07:33:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_free_ipr_cmnd [2022-11-19 07:33:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_free_ipr_cmnd [2022-11-19 07:33:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure ata_sas_port_start [2022-11-19 07:33:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_sas_port_start [2022-11-19 07:33:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_device_reset [2022-11-19 07:33:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_device_reset [2022-11-19 07:33:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:33:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_for_pci_err_recovery [2022-11-19 07:33:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_for_pci_err_recovery [2022-11-19 07:33:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_pcie_reset_state [2022-11-19 07:33:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_pcie_reset_state [2022-11-19 07:33:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:33:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:33:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 07:33:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_get_free_ipr_cmnd [2022-11-19 07:33:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_get_free_ipr_cmnd [2022-11-19 07:33:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_scsi_disk [2022-11-19 07:33:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_scsi_disk [2022-11-19 07:33:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:33:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:33:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:33:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:33:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:33:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_update_res_entry [2022-11-19 07:33:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_update_res_entry [2022-11-19 07:33:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_failed [2022-11-19 07:33:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_failed [2022-11-19 07:33:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-19 07:33:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-19 07:33:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ata_phy_reset [2022-11-19 07:33:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ata_phy_reset [2022-11-19 07:33:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:33:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:33:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_cmd_blks [2022-11-19 07:33:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_cmd_blks [2022-11-19 07:33:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_update_ata_class [2022-11-19 07:33:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_update_ata_class [2022-11-19 07:33:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:33:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:33:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_iodbg_ack [2022-11-19 07:33:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_iodbg_ack [2022-11-19 07:33:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 07:33:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 07:33:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:33:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 07:33:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 07:33:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_ioadl [2022-11-19 07:33:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_ioadl [2022-11-19 07:33:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_dump_ioasa [2022-11-19 07:33:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_dump_ioasa [2022-11-19 07:33:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:33:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:33:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-19 07:33:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-19 07:33:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_done [2022-11-19 07:33:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_done [2022-11-19 07:33:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-19 07:33:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-19 07:33:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:33:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-19 07:33:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-19 07:33:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:33:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-11-19 07:33:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-11-19 07:33:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_remove [2022-11-19 07:33:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_remove [2022-11-19 07:33:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-19 07:33:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-19 07:33:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_dev_reset [2022-11-19 07:33:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_dev_reset [2022-11-19 07:33:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:33:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:33:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_abort [2022-11-19 07:33:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_abort [2022-11-19 07:33:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-19 07:33:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-19 07:33:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-19 07:33:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-19 07:33:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:33:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:33:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2022-11-19 07:33:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2022-11-19 07:33:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-19 07:33:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-19 07:33:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_format_res_path [2022-11-19 07:33:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_format_res_path [2022-11-19 07:33:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_set_pcix_cmd_reg [2022-11-19 07:33:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_set_pcix_cmd_reg [2022-11-19 07:33:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_sdt_is_fmt2 [2022-11-19 07:33:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_sdt_is_fmt2 [2022-11-19 07:33:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 07:33:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 07:33:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:33:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:33:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_mem [2022-11-19 07:33:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_mem [2022-11-19 07:33:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:33:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:33:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_device [2022-11-19 07:33:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_device [2022-11-19 07:33:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ata_noop_qc_prep [2022-11-19 07:33:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_noop_qc_prep [2022-11-19 07:33:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-19 07:33:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-19 07:33:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-19 07:33:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-19 07:33:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:33:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:33:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:33:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 07:33:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-19 07:33:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-19 07:33:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_ipr_cmnd [2022-11-19 07:33:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_ipr_cmnd [2022-11-19 07:33:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-19 07:33:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-19 07:33:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reinit_ipr_cmnd_for_erp [2022-11-19 07:33:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reinit_ipr_cmnd_for_erp [2022-11-19 07:33:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_alloc [2022-11-19 07:33:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_alloc [2022-11-19 07:33:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:33:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_bringdown [2022-11-19 07:33:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_bringdown [2022-11-19 07:33:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_hcam [2022-11-19 07:33:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_hcam [2022-11-19 07:33:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_8 [2022-11-19 07:33:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_8 [2022-11-19 07:33:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:33:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:33:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:33:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:33:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:33:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 07:33:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 07:33:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-19 07:33:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-19 07:33:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:33:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:33:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure strim [2022-11-19 07:33:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure strim [2022-11-19 07:33:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_af_dasd_device [2022-11-19 07:33:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_af_dasd_device [2022-11-19 07:33:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_qc_defer [2022-11-19 07:33:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_qc_defer [2022-11-19 07:33:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_hex_data [2022-11-19 07:33:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_hex_data [2022-11-19 07:33:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_restore_cfg_space [2022-11-19 07:33:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_restore_cfg_space [2022-11-19 07:33:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:33:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:33:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_configure [2022-11-19 07:33:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_configure [2022-11-19 07:33:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:33:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:33:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_target_destroy [2022-11-19 07:33:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_target_destroy [2022-11-19 07:33:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_do_req [2022-11-19 07:33:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_do_req [2022-11-19 07:33:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_request_sense [2022-11-19 07:33:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_request_sense [2022-11-19 07:33:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_hrrq_index [2022-11-19 07:33:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_hrrq_index [2022-11-19 07:33:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_handle_log_data [2022-11-19 07:33:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_handle_log_data [2022-11-19 07:33:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_timer_done [2022-11-19 07:33:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_timer_done [2022-11-19 07:33:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:33:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:33:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:33:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:33:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:33:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:33:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-19 07:33:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-19 07:33:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_target_alloc [2022-11-19 07:33:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_target_alloc [2022-11-19 07:33:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-19 07:33:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-19 07:33:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:33:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:33:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-19 07:33:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-19 07:33:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_trc_hook [2022-11-19 07:33:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_trc_hook [2022-11-19 07:33:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 07:33:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 07:33:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure strip_and_pad_whitespace [2022-11-19 07:33:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure strip_and_pad_whitespace [2022-11-19 07:33:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-19 07:33:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-19 07:33:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:33:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:33:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-19 07:33:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-19 07:33:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:33:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:33:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:33:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:33:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-11-19 07:33:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-11-19 07:33:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:33:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:33:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_bus_reset_done [2022-11-19 07:33:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_bus_reset_done [2022-11-19 07:33:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-19 07:33:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-19 07:33:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_start [2022-11-19 07:33:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_start [2022-11-19 07:33:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_queuecommand [2022-11-19 07:33:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_queuecommand [2022-11-19 07:33:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-19 07:33:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-19 07:33:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_cfg_access_unlock [2022-11-19 07:33:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_cfg_access_unlock [2022-11-19 07:33:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:33:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:33:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_eh_done [2022-11-19 07:33:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_eh_done [2022-11-19 07:33:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_13 [2022-11-19 07:33:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_13 [2022-11-19 07:33:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_worker_thread [2022-11-19 07:33:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_worker_thread [2022-11-19 07:33:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_vset_device [2022-11-19 07:33:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_vset_device [2022-11-19 07:33:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_find_starget [2022-11-19 07:33:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_find_starget [2022-11-19 07:33:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_fail_all_ops [2022-11-19 07:33:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_fail_all_ops [2022-11-19 07:33:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_ext_vpd [2022-11-19 07:33:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_ext_vpd [2022-11-19 07:33:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:33:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:33:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-19 07:33:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-19 07:33:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_vpd_compact [2022-11-19 07:33:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_vpd_compact [2022-11-19 07:33:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 07:33:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 07:33:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:33:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:33:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cancel_hcam_done [2022-11-19 07:33:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cancel_hcam_done [2022-11-19 07:33:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-19 07:33:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-19 07:33:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-19 07:33:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-19 07:33:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_start_timer [2022-11-19 07:33:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_start_timer [2022-11-19 07:33:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-19 07:33:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-19 07:33:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_isr [2022-11-19 07:33:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_isr [2022-11-19 07:33:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_53 [2022-11-19 07:33:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_53 [2022-11-19 07:33:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:33:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:33:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:33:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_done [2022-11-19 07:33:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_done [2022-11-19 07:33:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 07:33:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 07:33:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-11-19 07:33:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-11-19 07:33:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:33:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-11-19 07:33:59,637 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-11-19 07:33:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 07:33:59,637 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 07:33:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_unit_check_buffer [2022-11-19 07:33:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_unit_check_buffer [2022-11-19 07:33:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-19 07:33:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-19 07:33:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:33:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:33:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure ata_qc_complete [2022-11-19 07:33:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_qc_complete [2022-11-19 07:33:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_format_res_path [2022-11-19 07:33:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_format_res_path [2022-11-19 07:33:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_reset_work [2022-11-19 07:33:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_reset_work [2022-11-19 07:33:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-11-19 07:33:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-11-19 07:33:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-19 07:33:59,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-19 07:33:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_for_ops [2022-11-19 07:33:59,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_for_ops [2022-11-19 07:33:59,640 INFO L130 BoogieDeclarations]: Found specification of procedure ata_sas_port_stop [2022-11-19 07:33:59,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_sas_port_stop [2022-11-19 07:33:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:33:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_cancel_all [2022-11-19 07:33:59,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_cancel_all [2022-11-19 07:33:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_52 [2022-11-19 07:33:59,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_52 [2022-11-19 07:33:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-19 07:33:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-19 07:33:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_41 [2022-11-19 07:33:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_41 [2022-11-19 07:33:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:33:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:33:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2022-11-19 07:33:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2022-11-19 07:33:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 07:33:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 07:33:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 07:33:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 07:33:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_naca_model [2022-11-19 07:33:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_naca_model [2022-11-19 07:33:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:33:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:33:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_error [2022-11-19 07:33:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_error [2022-11-19 07:33:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-19 07:33:59,644 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-19 07:33:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_test_intr [2022-11-19 07:33:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_test_intr [2022-11-19 07:33:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-19 07:33:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-19 07:33:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2022-11-19 07:33:59,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2022-11-19 07:33:59,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-19 07:33:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-19 07:33:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_build_mode_sense [2022-11-19 07:33:59,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_build_mode_sense [2022-11-19 07:33:59,646 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-19 07:33:59,647 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-19 07:33:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_gscsi [2022-11-19 07:33:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_gscsi [2022-11-19 07:33:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_remove [2022-11-19 07:33:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_remove [2022-11-19 07:33:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:33:59,648 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:33:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe [2022-11-19 07:33:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe [2022-11-19 07:33:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-19 07:33:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-19 07:33:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-19 07:33:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-19 07:33:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:33:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:33:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-19 07:33:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-19 07:33:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_process_hrrq [2022-11-19 07:33:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_process_hrrq [2022-11-19 07:33:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-19 07:33:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-19 07:33:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_isr_eh [2022-11-19 07:33:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_isr_eh [2022-11-19 07:33:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ioafp_inquiry [2022-11-19 07:33:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ioafp_inquiry [2022-11-19 07:33:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:33:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:33:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_reset [2022-11-19 07:33:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_reset [2022-11-19 07:33:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_mask_and_clear_interrupts [2022-11-19 07:33:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_mask_and_clear_interrupts [2022-11-19 07:33:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_destroy [2022-11-19 07:33:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_destroy [2022-11-19 07:33:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-19 07:33:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-19 07:33:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:33:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-19 07:33:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-19 07:33:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-19 07:33:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-19 07:33:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_irqs [2022-11-19 07:33:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_irqs [2022-11-19 07:33:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 07:33:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 07:33:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:33:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:33:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:33:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:33:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-19 07:33:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-19 07:33:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 07:33:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 07:33:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:33:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:33:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_qc_issue [2022-11-19 07:33:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_qc_issue [2022-11-19 07:33:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_5 [2022-11-19 07:33:59,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_5 [2022-11-19 07:33:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-19 07:33:59,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-19 07:33:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_build_mode_select [2022-11-19 07:33:59,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_build_mode_select [2022-11-19 07:33:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:33:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:33:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_command [2022-11-19 07:33:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_command [2022-11-19 07:33:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-19 07:33:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-19 07:33:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-19 07:33:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-19 07:33:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa_part2 [2022-11-19 07:33:59,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa_part2 [2022-11-19 07:33:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-19 07:33:59,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-19 07:33:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-19 07:33:59,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-19 07:33:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-19 07:33:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-19 07:33:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 07:33:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 07:33:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_blocking_cmd [2022-11-19 07:33:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_blocking_cmd [2022-11-19 07:33:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_gata [2022-11-19 07:33:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_gata [2022-11-19 07:33:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_dump_entry_hdr [2022-11-19 07:33:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_dump_entry_hdr [2022-11-19 07:33:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-11-19 07:33:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-11-19 07:33:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 07:33:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 07:33:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 07:33:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 07:33:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure ac_err_mask [2022-11-19 07:33:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ac_err_mask [2022-11-19 07:33:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_host_reset [2022-11-19 07:33:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_host_reset [2022-11-19 07:33:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cmd_failed [2022-11-19 07:33:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cmd_failed [2022-11-19 07:33:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_lock_and_done [2022-11-19 07:33:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_lock_and_done [2022-11-19 07:33:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_process_error [2022-11-19 07:33:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_process_error [2022-11-19 07:33:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:33:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:33:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:33:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:33:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:33:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:33:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 07:33:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 07:33:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_unit_check_no_data [2022-11-19 07:33:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_unit_check_no_data [2022-11-19 07:33:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:33:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:33:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_ioa_job [2022-11-19 07:33:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_ioa_job [2022-11-19 07:33:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_timeout [2022-11-19 07:33:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_timeout [2022-11-19 07:33:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:33:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-19 07:33:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-19 07:33:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-11-19 07:33:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-11-19 07:33:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_oper_timeout [2022-11-19 07:33:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_oper_timeout [2022-11-19 07:34:02,152 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:34:02,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:34:02,612 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:34:36,423 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:34:43,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:34:43,421 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:34:43,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:43 BoogieIcfgContainer [2022-11-19 07:34:43,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:34:43,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:34:43,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:34:43,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:34:43,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:33:48" (1/3) ... [2022-11-19 07:34:43,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d741d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:43, skipping insertion in model container [2022-11-19 07:34:43,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:57" (2/3) ... [2022-11-19 07:34:43,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d741d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:43, skipping insertion in model container [2022-11-19 07:34:43,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:43" (3/3) ... [2022-11-19 07:34:43,441 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-19 07:34:43,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:34:43,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:34:43,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:34:43,719 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;@35f39880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:34:43,720 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:34:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 4954 states, 3069 states have (on average 1.3362658846529814) internal successors, (4101), 3231 states have internal predecessors, (4101), 1644 states have call successors, (1644), 240 states have call predecessors, (1644), 239 states have return successors, (1610), 1570 states have call predecessors, (1610), 1610 states have call successors, (1610) [2022-11-19 07:34:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-11-19 07:34:43,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:43,823 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:34:43,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2061143271, now seen corresponding path program 1 times [2022-11-19 07:34:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:43,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697974704] [2022-11-19 07:34:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:43,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:45,536 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:34:45,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176528839] [2022-11-19 07:34:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:45,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:45,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:45,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:34:45,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:34:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:50,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 15600 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:34:50,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12612 trivial. 0 not checked. [2022-11-19 07:34:50,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:34:50,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:50,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697974704] [2022-11-19 07:34:50,774 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:34:50,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176528839] [2022-11-19 07:34:50,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176528839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:50,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:50,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:34:50,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553927067] [2022-11-19 07:34:50,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:50,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:50,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:50,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:50,826 INFO L87 Difference]: Start difference. First operand has 4954 states, 3069 states have (on average 1.3362658846529814) internal successors, (4101), 3231 states have internal predecessors, (4101), 1644 states have call successors, (1644), 240 states have call predecessors, (1644), 239 states have return successors, (1610), 1570 states have call predecessors, (1610), 1610 states have call successors, (1610) Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-19 07:34:53,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:54,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:57,602 WARN L539 Checker$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 07:35:00,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:03,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:05,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:08,917 WARN L539 Checker$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 07:35:12,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:16,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:19,236 INFO L93 Difference]: Finished difference Result 14025 states and 21117 transitions. [2022-11-19 07:35:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:19,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 790 [2022-11-19 07:35:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:19,340 INFO L225 Difference]: With dead ends: 14025 [2022-11-19 07:35:19,340 INFO L226 Difference]: Without dead ends: 9130 [2022-11-19 07:35:19,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 788 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 07:35:19,400 INFO L413 NwaCegarLoop]: 8146 mSDtfsCounter, 6292 mSDsluCounter, 6647 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6297 SdHoareTripleChecker+Valid, 14793 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:19,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6297 Valid, 14793 Invalid, 1420 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 1414 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2022-11-19 07:35:19,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9130 states. [2022-11-19 07:35:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9130 to 9122. [2022-11-19 07:35:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 5710 states have (on average 1.3264448336252188) internal successors, (7574), 5942 states have internal predecessors, (7574), 2955 states have call successors, (2955), 458 states have call predecessors, (2955), 456 states have return successors, (2956), 2874 states have call predecessors, (2956), 2953 states have call successors, (2956) [2022-11-19 07:35:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13485 transitions. [2022-11-19 07:35:20,243 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13485 transitions. Word has length 790 [2022-11-19 07:35:20,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:20,253 INFO L495 AbstractCegarLoop]: Abstraction has 9122 states and 13485 transitions. [2022-11-19 07:35:20,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-19 07:35:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13485 transitions. [2022-11-19 07:35:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2022-11-19 07:35:20,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:20,315 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:20,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:35:20,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68237c03-9700-4c3d-b3c3-1707b5fa5eaa/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:35:20,540 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:20,540 INFO L85 PathProgramCache]: Analyzing trace with hash -359041576, now seen corresponding path program 1 times [2022-11-19 07:35:20,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:20,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620916008] [2022-11-19 07:35:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12610 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12610 trivial. 0 not checked. [2022-11-19 07:35:23,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:23,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620916008] [2022-11-19 07:35:23,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620916008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:23,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:23,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:35:23,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782508019] [2022-11-19 07:35:23,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:23,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:35:23,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:35:23,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:23,636 INFO L87 Difference]: Start difference. First operand 9122 states and 13485 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-19 07:35:25,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:27,383 WARN L539 Checker$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 07:35:28,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:31,348 WARN L539 Checker$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 07:35:34,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:38,308 WARN L539 Checker$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 07:35:42,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:45,658 WARN L539 Checker$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 07:35:49,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:49,569 INFO L93 Difference]: Finished difference Result 26428 states and 39029 transitions. [2022-11-19 07:35:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:49,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 807 [2022-11-19 07:35:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:49,748 INFO L225 Difference]: With dead ends: 26428 [2022-11-19 07:35:49,748 INFO L226 Difference]: Without dead ends: 17449 [2022-11-19 07:35:49,829 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 07:35:49,830 INFO L413 NwaCegarLoop]: 8075 mSDtfsCounter, 6207 mSDsluCounter, 6555 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6214 SdHoareTripleChecker+Valid, 14630 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:49,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6214 Valid, 14630 Invalid, 1419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1412 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2022-11-19 07:35:49,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17449 states. [2022-11-19 07:35:50,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17449 to 17433. [2022-11-19 07:35:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17433 states, 10930 states have (on average 1.327996340347667) internal successors, (14515), 11379 states have internal predecessors, (14515), 5606 states have call successors, (5606), 900 states have call predecessors, (5606), 896 states have return successors, (5617), 5444 states have call predecessors, (5617), 5604 states have call successors, (5617) [2022-11-19 07:35:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17433 states to 17433 states and 25738 transitions. [2022-11-19 07:35:51,100 INFO L78 Accepts]: Start accepts. Automaton has 17433 states and 25738 transitions. Word has length 807 [2022-11-19 07:35:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:51,103 INFO L495 AbstractCegarLoop]: Abstraction has 17433 states and 25738 transitions. [2022-11-19 07:35:51,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-19 07:35:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 17433 states and 25738 transitions. [2022-11-19 07:35:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2022-11-19 07:35:51,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:51,149 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:51,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:35:51,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash -394270985, now seen corresponding path program 1 times [2022-11-19 07:35:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:51,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701824000] [2022-11-19 07:35:51,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12615 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12615 trivial. 0 not checked. [2022-11-19 07:35:54,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:54,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701824000] [2022-11-19 07:35:54,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701824000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:54,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:54,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:35:54,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020039249] [2022-11-19 07:35:54,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:54,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:35:54,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:54,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:35:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:54,015 INFO L87 Difference]: Start difference. First operand 17433 states and 25738 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-19 07:35:56,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:58,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:01,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:03,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:05,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:06,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:08,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:11,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:14,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:16,671 WARN L539 Checker$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 07:36:19,175 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 07:36:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:22,359 INFO L93 Difference]: Finished difference Result 50919 states and 76143 transitions. [2022-11-19 07:36:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 833 [2022-11-19 07:36:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:22,911 INFO L225 Difference]: With dead ends: 50919 [2022-11-19 07:36:22,911 INFO L226 Difference]: Without dead ends: 33629 [2022-11-19 07:36:23,009 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 07:36:23,013 INFO L413 NwaCegarLoop]: 8657 mSDtfsCounter, 6532 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6532 SdHoareTripleChecker+Valid, 15313 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:23,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6532 Valid, 15313 Invalid, 1521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1508 Invalid, 6 Unknown, 0 Unchecked, 27.2s Time] [2022-11-19 07:36:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33629 states. [2022-11-19 07:36:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33629 to 33529. [2022-11-19 07:36:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33529 states, 21043 states have (on average 1.3284702751508815) internal successors, (27955), 21907 states have internal predecessors, (27955), 10726 states have call successors, (10726), 1766 states have call predecessors, (10726), 1759 states have return successors, (11816), 10413 states have call predecessors, (11816), 10724 states have call successors, (11816) [2022-11-19 07:36:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33529 states to 33529 states and 50497 transitions. [2022-11-19 07:36:26,008 INFO L78 Accepts]: Start accepts. Automaton has 33529 states and 50497 transitions. Word has length 833 [2022-11-19 07:36:26,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:26,009 INFO L495 AbstractCegarLoop]: Abstraction has 33529 states and 50497 transitions. [2022-11-19 07:36:26,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-19 07:36:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 33529 states and 50497 transitions. [2022-11-19 07:36:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2022-11-19 07:36:26,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:26,054 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:36:26,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:36:26,055 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash -607802071, now seen corresponding path program 1 times [2022-11-19 07:36:26,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:26,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930244265] [2022-11-19 07:36:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12657 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12654 trivial. 0 not checked. [2022-11-19 07:36:28,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:28,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930244265] [2022-11-19 07:36:28,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930244265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:28,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:28,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:36:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904066351] [2022-11-19 07:36:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:28,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:28,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:28,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:28,662 INFO L87 Difference]: Start difference. First operand 33529 states and 50497 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2022-11-19 07:36:30,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:33,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:35,884 WARN L539 Checker$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 07:36:37,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:41,234 WARN L539 Checker$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 07:36:45,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:47,346 WARN L539 Checker$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 07:36:49,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:52,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:54,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:57,258 WARN L539 Checker$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 07:37:00,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:00,052 INFO L93 Difference]: Finished difference Result 55621 states and 86347 transitions. [2022-11-19 07:37:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:00,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 907 [2022-11-19 07:37:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:00,422 INFO L225 Difference]: With dead ends: 55621 [2022-11-19 07:37:00,422 INFO L226 Difference]: Without dead ends: 55617 [2022-11-19 07:37:00,453 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 07:37:00,455 INFO L413 NwaCegarLoop]: 10596 mSDtfsCounter, 5844 mSDsluCounter, 5564 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5844 SdHoareTripleChecker+Valid, 16160 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:00,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5844 Valid, 16160 Invalid, 1687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1676 Invalid, 9 Unknown, 0 Unchecked, 29.8s Time] [2022-11-19 07:37:00,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55617 states. [2022-11-19 07:37:03,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55617 to 53771. [2022-11-19 07:37:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53771 states, 34361 states have (on average 1.3456535025173888) internal successors, (46238), 35659 states have internal predecessors, (46238), 16391 states have call successors, (16391), 3038 states have call predecessors, (16391), 3018 states have return successors, (20405), 15779 states have call predecessors, (20405), 16389 states have call successors, (20405) [2022-11-19 07:37:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53771 states to 53771 states and 83034 transitions. [2022-11-19 07:37:04,509 INFO L78 Accepts]: Start accepts. Automaton has 53771 states and 83034 transitions. Word has length 907 [2022-11-19 07:37:04,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:04,511 INFO L495 AbstractCegarLoop]: Abstraction has 53771 states and 83034 transitions. [2022-11-19 07:37:04,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2022-11-19 07:37:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 53771 states and 83034 transitions. [2022-11-19 07:37:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2022-11-19 07:37:04,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:04,628 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 21, 21, 20, 20, 20, 20, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:04,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:37:04,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash -740746509, now seen corresponding path program 1 times [2022-11-19 07:37:04,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:04,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815128594] [2022-11-19 07:37:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:04,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12716 trivial. 0 not checked. [2022-11-19 07:37:07,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:07,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815128594] [2022-11-19 07:37:07,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815128594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:07,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:07,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:07,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550471883] [2022-11-19 07:37:07,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:07,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:07,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:07,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:07,629 INFO L87 Difference]: Start difference. First operand 53771 states and 83034 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-19 07:37:09,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:11,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:15,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:19,949 WARN L539 Checker$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 07:37:24,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:26,690 WARN L539 Checker$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 07:37:35,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:35,792 INFO L93 Difference]: Finished difference Result 159917 states and 246973 transitions. [2022-11-19 07:37:35,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:35,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 958 [2022-11-19 07:37:35,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:36,994 INFO L225 Difference]: With dead ends: 159917 [2022-11-19 07:37:36,994 INFO L226 Difference]: Without dead ends: 106289 [2022-11-19 07:37:37,284 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 07:37:37,285 INFO L413 NwaCegarLoop]: 8354 mSDtfsCounter, 6406 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6411 SdHoareTripleChecker+Valid, 14912 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:37,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6411 Valid, 14912 Invalid, 1454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1448 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2022-11-19 07:37:37,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106289 states. [2022-11-19 07:37:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106289 to 106271. [2022-11-19 07:37:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106271 states, 67943 states have (on average 1.3458928807971389) internal successors, (91444), 70509 states have internal predecessors, (91444), 32341 states have call successors, (32341), 6026 states have call predecessors, (32341), 5986 states have return successors, (40331), 31121 states have call predecessors, (40331), 32339 states have call successors, (40331) [2022-11-19 07:37:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106271 states to 106271 states and 164116 transitions. [2022-11-19 07:37:44,418 INFO L78 Accepts]: Start accepts. Automaton has 106271 states and 164116 transitions. Word has length 958 [2022-11-19 07:37:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:44,419 INFO L495 AbstractCegarLoop]: Abstraction has 106271 states and 164116 transitions. [2022-11-19 07:37:44,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-19 07:37:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 106271 states and 164116 transitions. [2022-11-19 07:37:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2022-11-19 07:37:45,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:45,049 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 21, 21, 20, 20, 20, 20, 5, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:45,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:37:45,050 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:45,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1313195671, now seen corresponding path program 1 times [2022-11-19 07:37:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:45,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673820901] [2022-11-19 07:37:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12716 trivial. 0 not checked. [2022-11-19 07:37:47,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:47,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673820901] [2022-11-19 07:37:47,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673820901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:47,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:47,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:47,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318191282] [2022-11-19 07:37:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:47,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:47,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:47,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:47,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:47,757 INFO L87 Difference]: Start difference. First operand 106271 states and 164116 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-19 07:37:50,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:51,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:53,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:55,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:58,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:04,457 WARN L539 Checker$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 07:38:05,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:07,865 WARN L539 Checker$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 07:38:12,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:13,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:16,176 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 07:38:24,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:24,679 INFO L93 Difference]: Finished difference Result 314287 states and 484988 transitions. [2022-11-19 07:38:24,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:24,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 935 [2022-11-19 07:38:24,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:25,988 INFO L225 Difference]: With dead ends: 314287 [2022-11-19 07:38:25,988 INFO L226 Difference]: Without dead ends: 208159 [2022-11-19 07:38:26,878 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 07:38:26,879 INFO L413 NwaCegarLoop]: 9326 mSDtfsCounter, 6191 mSDsluCounter, 6554 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6195 SdHoareTripleChecker+Valid, 15880 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:26,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6195 Valid, 15880 Invalid, 1594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1587 Invalid, 6 Unknown, 0 Unchecked, 28.7s Time] [2022-11-19 07:38:27,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208159 states.