./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--crypto--qat--qat_common--intel_qat.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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/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 241c7b85b75a318a4203bcb947e5338118d62403403860a951e0e444656bbeb8 --- 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 07:44:00,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:44:00,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:44:00,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:44:00,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:44:00,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:44:00,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:44:00,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:44:00,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:44:00,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:44:00,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:44:00,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:44:00,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:44:00,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:44:00,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:44:00,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:44:00,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:44:00,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:44:00,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:44:00,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:44:00,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:44:00,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:44:00,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:44:00,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:44:00,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:44:00,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:44:00,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:44:00,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:44:00,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:44:00,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:44:00,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:44:00,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:44:00,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:44:00,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:44:00,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:44:00,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:44:00,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:44:00,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:44:00,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:44:00,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:44:00,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:44:00,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:44:00,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:44:00,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:44:00,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:44:00,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:44:00,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:44:00,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:44:00,714 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:44:00,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:44:00,715 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:44:00,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:44:00,716 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:44:00,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:44:00,717 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:44:00,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:44:00,717 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:44:00,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:44:00,718 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:44:00,718 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:44:00,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:44:00,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:44:00,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:44:00,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:44:00,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:44:00,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:44:00,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:44:00,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:44:00,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:44:00,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:44:00,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:44:00,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:44:00,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:44:00,722 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:44:00,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:44:00,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:44:00,723 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:44:00,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:44:00,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:44:00,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:44:00,724 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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 241c7b85b75a318a4203bcb947e5338118d62403403860a951e0e444656bbeb8 [2022-11-19 07:44:01,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:44:01,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:44:01,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:44:01,095 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:44:01,096 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:44:01,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-19 07:44:01,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/data/30324bf96/80a627c978414202a48ebde38528abe4/FLAGab5349ced [2022-11-19 07:44:02,412 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:44:02,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-19 07:44:02,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/data/30324bf96/80a627c978414202a48ebde38528abe4/FLAGab5349ced [2022-11-19 07:44:02,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/data/30324bf96/80a627c978414202a48ebde38528abe4 [2022-11-19 07:44:02,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:44:02,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:44:02,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:02,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:44:02,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:44:02,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:02" (1/1) ... [2022-11-19 07:44:02,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279ab977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:02, skipping insertion in model container [2022-11-19 07:44:02,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:02" (1/1) ... [2022-11-19 07:44:02,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:44:02,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:44:08,124 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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[498572,498585] [2022-11-19 07:44:08,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:08,318 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:44:09,213 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_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[498572,498585] [2022-11-19 07:44:09,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:44:09,531 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:44:09,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09 WrapperNode [2022-11-19 07:44:09,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:44:09,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:44:09,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:44:09,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:44:09,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:09,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,229 INFO L138 Inliner]: procedures = 600, calls = 5752, calls flagged for inlining = 269, calls inlined = 235, statements flattened = 11587 [2022-11-19 07:44:10,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:44:10,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:44:10,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:44:10,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:44:10,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:10,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:11,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:11,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:44:11,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:44:11,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:44:11,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:44:11,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (1/1) ... [2022-11-19 07:44:11,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:44:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:44:11,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:44:11,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7070fd6a-cd6e-4329-ba3d-116c078c3ae9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:44:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:44:11,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:44:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2022-11-19 07:44:11,222 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2022-11-19 07:44:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 07:44:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-19 07:44:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-19 07:44:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:44:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:44:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2022-11-19 07:44:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2022-11-19 07:44:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 07:44:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 07:44:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:44:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:44:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2022-11-19 07:44:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2022-11-19 07:44:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:44:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:44:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2022-11-19 07:44:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2022-11-19 07:44:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-19 07:44:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-19 07:44:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:44:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:44:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:44:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:44:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2022-11-19 07:44:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2022-11-19 07:44:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2022-11-19 07:44:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2022-11-19 07:44:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2022-11-19 07:44:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2022-11-19 07:44:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:44:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:44:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:44:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:44:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2022-11-19 07:44:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2022-11-19 07:44:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2022-11-19 07:44:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2022-11-19 07:44:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2022-11-19 07:44:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2022-11-19 07:44:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2022-11-19 07:44:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2022-11-19 07:44:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2022-11-19 07:44:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2022-11-19 07:44:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:44:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:44:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 07:44:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2022-11-19 07:44:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2022-11-19 07:44:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:44:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:44:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2022-11-19 07:44:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2022-11-19 07:44:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2022-11-19 07:44:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2022-11-19 07:44:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2022-11-19 07:44:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2022-11-19 07:44:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:44:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2022-11-19 07:44:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2022-11-19 07:44:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-19 07:44:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-19 07:44:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 07:44:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 07:44:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-19 07:44:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-19 07:44:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:44:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:44:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-19 07:44:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-19 07:44:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2022-11-19 07:44:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2022-11-19 07:44:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:44:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:44:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2022-11-19 07:44:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2022-11-19 07:44:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 07:44:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 07:44:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2022-11-19 07:44:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2022-11-19 07:44:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2022-11-19 07:44:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2022-11-19 07:44:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:44:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2022-11-19 07:44:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2022-11-19 07:44:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:44:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:44:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:44:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:44:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:44:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:44:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:44:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2022-11-19 07:44:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2022-11-19 07:44:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-19 07:44:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-19 07:44:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:44:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:44:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:44:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2022-11-19 07:44:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2022-11-19 07:44:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:44:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:44:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2022-11-19 07:44:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2022-11-19 07:44:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2022-11-19 07:44:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2022-11-19 07:44:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2022-11-19 07:44:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2022-11-19 07:44:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-19 07:44:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-19 07:44:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:44:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:44:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:44:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:44:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:44:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:44:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-19 07:44:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-19 07:44:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-19 07:44:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-19 07:44:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2022-11-19 07:44:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2022-11-19 07:44:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2022-11-19 07:44:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2022-11-19 07:44:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:44:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:44:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:44:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2022-11-19 07:44:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2022-11-19 07:44:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2022-11-19 07:44:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2022-11-19 07:44:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 07:44:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:44:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:44:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-19 07:44:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-19 07:44:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 07:44:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 07:44:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2022-11-19 07:44:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2022-11-19 07:44:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:44:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2022-11-19 07:44:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2022-11-19 07:44:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2022-11-19 07:44:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2022-11-19 07:44:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2022-11-19 07:44:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2022-11-19 07:44:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:44:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2022-11-19 07:44:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2022-11-19 07:44:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2022-11-19 07:44:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2022-11-19 07:44:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:44:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:44:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2022-11-19 07:44:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2022-11-19 07:44:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:44:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:44:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2022-11-19 07:44:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2022-11-19 07:44:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2022-11-19 07:44:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2022-11-19 07:44:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2022-11-19 07:44:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2022-11-19 07:44:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2022-11-19 07:44:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2022-11-19 07:44:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-19 07:44:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-19 07:44:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2022-11-19 07:44:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2022-11-19 07:44:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:44:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:44:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2022-11-19 07:44:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2022-11-19 07:44:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2022-11-19 07:44:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2022-11-19 07:44:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:44:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:44:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 07:44:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 07:44:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:44:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:44:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2022-11-19 07:44:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2022-11-19 07:44:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:44:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:44:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-19 07:44:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-19 07:44:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:44:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:44:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:44:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:44:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2022-11-19 07:44:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2022-11-19 07:44:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2022-11-19 07:44:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2022-11-19 07:44:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2022-11-19 07:44:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2022-11-19 07:44:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-19 07:44:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-19 07:44:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2022-11-19 07:44:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2022-11-19 07:44:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 07:44:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 07:44:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2022-11-19 07:44:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2022-11-19 07:44:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2022-11-19 07:44:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2022-11-19 07:44:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:44:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:44:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-19 07:44:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-19 07:44:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:44:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:44:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-19 07:44:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-19 07:44:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2022-11-19 07:44:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2022-11-19 07:44:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2022-11-19 07:44:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2022-11-19 07:44:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2022-11-19 07:44:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2022-11-19 07:44:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2022-11-19 07:44:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:44:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:44:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2022-11-19 07:44:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2022-11-19 07:44:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:44:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-19 07:44:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2022-11-19 07:44:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:44:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2022-11-19 07:44:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2022-11-19 07:44:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-19 07:44:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-19 07:44:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2022-11-19 07:44:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2022-11-19 07:44:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2022-11-19 07:44:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-19 07:44:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:44:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:44:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:44:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:44:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2022-11-19 07:44:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2022-11-19 07:44:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:44:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:44:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:44:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:44:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2022-11-19 07:44:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2022-11-19 07:44:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 07:44:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 07:44:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2022-11-19 07:44:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2022-11-19 07:44:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-19 07:44:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-19 07:44:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:44:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-19 07:44:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-19 07:44:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2022-11-19 07:44:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2022-11-19 07:44:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:44:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:44:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2022-11-19 07:44:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2022-11-19 07:44:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-19 07:44:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-19 07:44:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2022-11-19 07:44:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2022-11-19 07:44:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2022-11-19 07:44:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2022-11-19 07:44:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2022-11-19 07:44:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2022-11-19 07:44:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:44:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:44:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:44:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:44:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2022-11-19 07:44:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2022-11-19 07:44:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2022-11-19 07:44:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2022-11-19 07:44:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-19 07:44:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-19 07:44:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2022-11-19 07:44:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2022-11-19 07:44:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-19 07:44:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-19 07:44:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 07:44:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 07:44:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2022-11-19 07:44:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2022-11-19 07:44:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2022-11-19 07:44:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2022-11-19 07:44:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-19 07:44:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-19 07:44:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2022-11-19 07:44:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2022-11-19 07:44:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 07:44:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 07:44:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-19 07:44:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-19 07:44:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-19 07:44:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-19 07:44:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-19 07:44:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-19 07:44:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2022-11-19 07:44:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2022-11-19 07:44:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2022-11-19 07:44:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2022-11-19 07:44:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:44:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:44:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2022-11-19 07:44:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2022-11-19 07:44:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2022-11-19 07:44:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2022-11-19 07:44:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-11-19 07:44:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-11-19 07:44:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2022-11-19 07:44:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2022-11-19 07:44:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2022-11-19 07:44:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2022-11-19 07:44:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:44:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2022-11-19 07:44:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2022-11-19 07:44:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:44:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-19 07:44:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-19 07:44:13,077 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:44:13,086 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:44:13,377 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:53:43,301 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:53:48,590 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:53:48,591 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:53:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:48 BoogieIcfgContainer [2022-11-19 07:53:48,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:53:48,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:53:48,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:53:48,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:53:48,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:02" (1/3) ... [2022-11-19 07:53:48,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d814bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:48, skipping insertion in model container [2022-11-19 07:53:48,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:09" (2/3) ... [2022-11-19 07:53:48,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d814bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:48, skipping insertion in model container [2022-11-19 07:53:48,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:48" (3/3) ... [2022-11-19 07:53:48,611 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-19 07:53:48,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:53:48,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:53:48,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:53:48,772 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;@4917d7f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:53:48,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:53:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 3046 states, 1950 states have (on average 1.3446153846153845) internal successors, (2622), 2005 states have internal predecessors, (2622), 911 states have call successors, (911), 184 states have call predecessors, (911), 183 states have return successors, (901), 896 states have call predecessors, (901), 901 states have call successors, (901) [2022-11-19 07:53:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:53:48,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:53:48,805 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:48,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:53:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:53:48,812 INFO L85 PathProgramCache]: Analyzing trace with hash -169052494, now seen corresponding path program 1 times [2022-11-19 07:53:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:53:48,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56500931] [2022-11-19 07:53:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:53:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:53:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:53:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-19 07:53:50,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:53:50,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56500931] [2022-11-19 07:53:50,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56500931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:53:50,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:53:50,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:53:50,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557918674] [2022-11-19 07:53:50,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:53:50,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:53:50,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:53:50,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:53:50,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:53:50,928 INFO L87 Difference]: Start difference. First operand has 3046 states, 1950 states have (on average 1.3446153846153845) internal successors, (2622), 2005 states have internal predecessors, (2622), 911 states have call successors, (911), 184 states have call predecessors, (911), 183 states have return successors, (901), 896 states have call predecessors, (901), 901 states have call successors, (901) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 07:53:53,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:54:01,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:54:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:02,063 INFO L93 Difference]: Finished difference Result 8876 states and 13129 transitions. [2022-11-19 07:54:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:54:02,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2022-11-19 07:54:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:02,162 INFO L225 Difference]: With dead ends: 8876 [2022-11-19 07:54:02,162 INFO L226 Difference]: Without dead ends: 5800 [2022-11-19 07:54:02,209 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 07:54:02,215 INFO L413 NwaCegarLoop]: 4864 mSDtfsCounter, 4063 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4063 SdHoareTripleChecker+Valid, 8876 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:02,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4063 Valid, 8876 Invalid, 800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 793 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-19 07:54:02,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2022-11-19 07:54:02,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5796. [2022-11-19 07:54:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5796 states, 3723 states have (on average 1.3360193392425463) internal successors, (4974), 3808 states have internal predecessors, (4974), 1718 states have call successors, (1718), 356 states have call predecessors, (1718), 354 states have return successors, (1716), 1703 states have call predecessors, (1716), 1716 states have call successors, (1716) [2022-11-19 07:54:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5796 states to 5796 states and 8408 transitions. [2022-11-19 07:54:02,878 INFO L78 Accepts]: Start accepts. Automaton has 5796 states and 8408 transitions. Word has length 57 [2022-11-19 07:54:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:02,881 INFO L495 AbstractCegarLoop]: Abstraction has 5796 states and 8408 transitions. [2022-11-19 07:54:02,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 07:54:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5796 states and 8408 transitions. [2022-11-19 07:54:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-19 07:54:02,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:02,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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] [2022-11-19 07:54:02,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:54:02,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:02,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:02,902 INFO L85 PathProgramCache]: Analyzing trace with hash -374110389, now seen corresponding path program 1 times [2022-11-19 07:54:02,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:02,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830814100] [2022-11-19 07:54:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:54:04,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:04,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830814100] [2022-11-19 07:54:04,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830814100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:04,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:04,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:54:04,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205678809] [2022-11-19 07:54:04,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:04,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:54:04,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:04,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:54:04,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:54:04,316 INFO L87 Difference]: Start difference. First operand 5796 states and 8408 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:54:06,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:54:12,722 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 07:54:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:17,027 INFO L93 Difference]: Finished difference Result 17196 states and 24944 transitions. [2022-11-19 07:54:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:54:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 92 [2022-11-19 07:54:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:17,126 INFO L225 Difference]: With dead ends: 17196 [2022-11-19 07:54:17,127 INFO L226 Difference]: Without dead ends: 11409 [2022-11-19 07:54:17,168 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 07:54:17,169 INFO L413 NwaCegarLoop]: 5082 mSDtfsCounter, 4246 mSDsluCounter, 3968 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 9050 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:17,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4246 Valid, 9050 Invalid, 829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 826 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2022-11-19 07:54:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2022-11-19 07:54:17,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 11406. [2022-11-19 07:54:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11406 states, 7326 states have (on average 1.3352443352443353) internal successors, (9782), 7496 states have internal predecessors, (9782), 3383 states have call successors, (3383), 699 states have call predecessors, (3383), 696 states have return successors, (3380), 3354 states have call predecessors, (3380), 3380 states have call successors, (3380) [2022-11-19 07:54:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11406 states to 11406 states and 16545 transitions. [2022-11-19 07:54:17,842 INFO L78 Accepts]: Start accepts. Automaton has 11406 states and 16545 transitions. Word has length 92 [2022-11-19 07:54:17,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:17,842 INFO L495 AbstractCegarLoop]: Abstraction has 11406 states and 16545 transitions. [2022-11-19 07:54:17,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:54:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 11406 states and 16545 transitions. [2022-11-19 07:54:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-19 07:54:17,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:17,857 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:17,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:54:17,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:17,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:17,867 INFO L85 PathProgramCache]: Analyzing trace with hash -960405856, now seen corresponding path program 1 times [2022-11-19 07:54:17,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:17,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305850805] [2022-11-19 07:54:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-19 07:54:19,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:19,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305850805] [2022-11-19 07:54:19,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305850805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:19,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:19,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:54:19,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414013669] [2022-11-19 07:54:19,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:19,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:54:19,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:19,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:54:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:54:19,637 INFO L87 Difference]: Start difference. First operand 11406 states and 16545 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:54:21,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:54:27,893 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 07:54:33,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:33,473 INFO L93 Difference]: Finished difference Result 33960 states and 49271 transitions. [2022-11-19 07:54:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:54:33,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2022-11-19 07:54:33,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:33,619 INFO L225 Difference]: With dead ends: 33960 [2022-11-19 07:54:33,619 INFO L226 Difference]: Without dead ends: 22553 [2022-11-19 07:54:33,918 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 07:54:33,920 INFO L413 NwaCegarLoop]: 7509 mSDtfsCounter, 4354 mSDsluCounter, 3937 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:33,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4357 Valid, 11446 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1097 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2022-11-19 07:54:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22553 states. [2022-11-19 07:54:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22553 to 22536. [2022-11-19 07:54:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22536 states, 14488 states have (on average 1.3342076200993926) internal successors, (19330), 14800 states have internal predecessors, (19330), 6679 states have call successors, (6679), 1375 states have call predecessors, (6679), 1368 states have return successors, (6682), 6628 states have call predecessors, (6682), 6672 states have call successors, (6682) [2022-11-19 07:54:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22536 states to 22536 states and 32691 transitions. [2022-11-19 07:54:35,142 INFO L78 Accepts]: Start accepts. Automaton has 22536 states and 32691 transitions. Word has length 127 [2022-11-19 07:54:35,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:35,143 INFO L495 AbstractCegarLoop]: Abstraction has 22536 states and 32691 transitions. [2022-11-19 07:54:35,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:54:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 22536 states and 32691 transitions. [2022-11-19 07:54:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 07:54:35,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:35,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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] [2022-11-19 07:54:35,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:54:35,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:35,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:35,164 INFO L85 PathProgramCache]: Analyzing trace with hash -789613906, now seen corresponding path program 1 times [2022-11-19 07:54:35,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:35,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093170612] [2022-11-19 07:54:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:35,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:54:36,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:36,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093170612] [2022-11-19 07:54:36,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093170612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:36,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:36,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:54:36,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838686769] [2022-11-19 07:54:36,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:37,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:54:37,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:37,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:54:37,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:54:37,001 INFO L87 Difference]: Start difference. First operand 22536 states and 32691 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:54:39,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:54:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:45,814 INFO L93 Difference]: Finished difference Result 45240 states and 65654 transitions. [2022-11-19 07:54:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:54:45,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 125 [2022-11-19 07:54:45,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:45,935 INFO L225 Difference]: With dead ends: 45240 [2022-11-19 07:54:45,935 INFO L226 Difference]: Without dead ends: 22713 [2022-11-19 07:54:46,046 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 07:54:46,049 INFO L413 NwaCegarLoop]: 4197 mSDtfsCounter, 300 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 8108 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:46,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 8108 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 776 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 07:54:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-11-19 07:54:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22536. [2022-11-19 07:54:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22536 states, 14488 states have (on average 1.3339315295416896) internal successors, (19326), 14796 states have internal predecessors, (19326), 6679 states have call successors, (6679), 1375 states have call predecessors, (6679), 1368 states have return successors, (6682), 6628 states have call predecessors, (6682), 6672 states have call successors, (6682) [2022-11-19 07:54:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22536 states to 22536 states and 32687 transitions. [2022-11-19 07:54:47,176 INFO L78 Accepts]: Start accepts. Automaton has 22536 states and 32687 transitions. Word has length 125 [2022-11-19 07:54:47,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:47,177 INFO L495 AbstractCegarLoop]: Abstraction has 22536 states and 32687 transitions. [2022-11-19 07:54:47,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:54:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22536 states and 32687 transitions. [2022-11-19 07:54:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-19 07:54:47,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:47,185 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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] [2022-11-19 07:54:47,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:54:47,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1924519724, now seen corresponding path program 1 times [2022-11-19 07:54:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:47,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299661303] [2022-11-19 07:54:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:47,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:54:48,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:48,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299661303] [2022-11-19 07:54:48,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299661303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:48,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:48,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:54:48,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824594067] [2022-11-19 07:54:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:48,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:54:48,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:48,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:54:48,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:54:48,729 INFO L87 Difference]: Start difference. First operand 22536 states and 32687 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:54:50,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:00,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:01,873 INFO L93 Difference]: Finished difference Result 45071 states and 65369 transitions. [2022-11-19 07:55:01,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:55:01,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2022-11-19 07:55:01,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:01,981 INFO L225 Difference]: With dead ends: 45071 [2022-11-19 07:55:01,981 INFO L226 Difference]: Without dead ends: 22460 [2022-11-19 07:55:02,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:55:02,088 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 1 mSDsluCounter, 7987 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11983 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:02,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11983 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-11-19 07:55:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22460 states. [2022-11-19 07:55:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22460 to 22460. [2022-11-19 07:55:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22460 states, 14452 states have (on average 1.333656241350678) internal successors, (19274), 14752 states have internal predecessors, (19274), 6659 states have call successors, (6659), 1361 states have call predecessors, (6659), 1348 states have return successors, (6650), 6600 states have call predecessors, (6650), 6640 states have call successors, (6650) [2022-11-19 07:55:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22460 states to 22460 states and 32583 transitions. [2022-11-19 07:55:03,255 INFO L78 Accepts]: Start accepts. Automaton has 22460 states and 32583 transitions. Word has length 130 [2022-11-19 07:55:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:03,256 INFO L495 AbstractCegarLoop]: Abstraction has 22460 states and 32583 transitions. [2022-11-19 07:55:03,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:55:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 22460 states and 32583 transitions. [2022-11-19 07:55:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-19 07:55:03,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:03,262 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:03,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:55:03,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:03,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:03,263 INFO L85 PathProgramCache]: Analyzing trace with hash -93748654, now seen corresponding path program 1 times [2022-11-19 07:55:03,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:03,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087098453] [2022-11-19 07:55:03,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:03,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-19 07:55:04,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:04,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087098453] [2022-11-19 07:55:04,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087098453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:04,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:04,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:55:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758628373] [2022-11-19 07:55:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:04,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:55:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:55:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:55:04,744 INFO L87 Difference]: Start difference. First operand 22460 states and 32583 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:55:06,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:16,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:17,969 INFO L93 Difference]: Finished difference Result 40244 states and 58343 transitions. [2022-11-19 07:55:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:55:17,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2022-11-19 07:55:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:18,064 INFO L225 Difference]: With dead ends: 40244 [2022-11-19 07:55:18,064 INFO L226 Difference]: Without dead ends: 17737 [2022-11-19 07:55:18,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:55:18,161 INFO L413 NwaCegarLoop]: 3980 mSDtfsCounter, 1 mSDsluCounter, 7957 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11937 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:18,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11937 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1168 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-11-19 07:55:18,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17737 states. [2022-11-19 07:55:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17737 to 17733. [2022-11-19 07:55:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17733 states, 11432 states have (on average 1.336074177746676) internal successors, (15274), 11666 states have internal predecessors, (15274), 5217 states have call successors, (5217), 1092 states have call predecessors, (5217), 1083 states have return successors, (5210), 5172 states have call predecessors, (5210), 5204 states have call successors, (5210) [2022-11-19 07:55:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17733 states to 17733 states and 25701 transitions. [2022-11-19 07:55:19,221 INFO L78 Accepts]: Start accepts. Automaton has 17733 states and 25701 transitions. Word has length 144 [2022-11-19 07:55:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:19,222 INFO L495 AbstractCegarLoop]: Abstraction has 17733 states and 25701 transitions. [2022-11-19 07:55:19,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:55:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17733 states and 25701 transitions. [2022-11-19 07:55:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-19 07:55:19,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:19,228 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:55:19,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:55:19,228 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:19,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:19,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1470224041, now seen corresponding path program 1 times [2022-11-19 07:55:19,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:19,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210114437] [2022-11-19 07:55:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:19,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-19 07:55:21,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:21,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210114437] [2022-11-19 07:55:21,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210114437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:21,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:21,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:55:21,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455129723] [2022-11-19 07:55:21,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:21,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:55:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:21,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:55:21,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:55:21,329 INFO L87 Difference]: Start difference. First operand 17733 states and 25701 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-19 07:55:23,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:25,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:55:27,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:55:28,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:55:37,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:41,765 WARN L539 Checker$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 07:55:45,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:45,470 INFO L93 Difference]: Finished difference Result 45908 states and 66451 transitions. [2022-11-19 07:55:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:55:45,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2022-11-19 07:55:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:45,604 INFO L225 Difference]: With dead ends: 45908 [2022-11-19 07:55:45,604 INFO L226 Difference]: Without dead ends: 28184 [2022-11-19 07:55:45,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:55:45,686 INFO L413 NwaCegarLoop]: 7143 mSDtfsCounter, 4552 mSDsluCounter, 10419 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 111 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 17562 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:45,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 17562 Invalid, 1909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 1795 Invalid, 3 Unknown, 0 Unchecked, 23.0s Time] [2022-11-19 07:55:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28184 states. [2022-11-19 07:55:47,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28184 to 28173. [2022-11-19 07:55:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28173 states, 18000 states have (on average 1.3250555555555557) internal successors, (23851), 18373 states have internal predecessors, (23851), 8448 states have call successors, (8448), 1735 states have call predecessors, (8448), 1724 states have return successors, (8448), 8375 states have call predecessors, (8448), 8432 states have call successors, (8448) [2022-11-19 07:55:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28173 states to 28173 states and 40747 transitions. [2022-11-19 07:55:47,301 INFO L78 Accepts]: Start accepts. Automaton has 28173 states and 40747 transitions. Word has length 154 [2022-11-19 07:55:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:47,302 INFO L495 AbstractCegarLoop]: Abstraction has 28173 states and 40747 transitions. [2022-11-19 07:55:47,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-19 07:55:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 28173 states and 40747 transitions. [2022-11-19 07:55:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-19 07:55:47,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:47,307 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:55:47,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:55:47,308 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:47,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1433890752, now seen corresponding path program 1 times [2022-11-19 07:55:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:47,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636367155] [2022-11-19 07:55:47,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-19 07:55:48,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:48,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636367155] [2022-11-19 07:55:48,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636367155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:48,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:48,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:55:48,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041311612] [2022-11-19 07:55:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:48,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:55:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:55:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:55:48,863 INFO L87 Difference]: Start difference. First operand 28173 states and 40747 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:55:51,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:55:56,862 WARN L539 Checker$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 07:56:01,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:01,608 INFO L93 Difference]: Finished difference Result 54416 states and 78675 transitions. [2022-11-19 07:56:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:56:01,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2022-11-19 07:56:01,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:01,733 INFO L225 Difference]: With dead ends: 54416 [2022-11-19 07:56:01,734 INFO L226 Difference]: Without dead ends: 28966 [2022-11-19 07:56:02,061 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 07:56:02,061 INFO L413 NwaCegarLoop]: 5568 mSDtfsCounter, 3978 mSDsluCounter, 3935 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3980 SdHoareTripleChecker+Valid, 9503 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:02,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3980 Valid, 9503 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 872 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2022-11-19 07:56:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28966 states. [2022-11-19 07:56:03,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28966 to 28895. [2022-11-19 07:56:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28895 states, 18491 states have (on average 1.326861716510735) internal successors, (24535), 18870 states have internal predecessors, (24535), 8612 states have call successors, (8612), 1802 states have call predecessors, (8612), 1791 states have return successors, (8612), 8539 states have call predecessors, (8612), 8596 states have call successors, (8612) [2022-11-19 07:56:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28895 states to 28895 states and 41759 transitions. [2022-11-19 07:56:03,464 INFO L78 Accepts]: Start accepts. Automaton has 28895 states and 41759 transitions. Word has length 160 [2022-11-19 07:56:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:03,464 INFO L495 AbstractCegarLoop]: Abstraction has 28895 states and 41759 transitions. [2022-11-19 07:56:03,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:56:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 28895 states and 41759 transitions. [2022-11-19 07:56:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-19 07:56:03,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:03,471 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:03,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:56:03,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:03,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:03,472 INFO L85 PathProgramCache]: Analyzing trace with hash 95496098, now seen corresponding path program 1 times [2022-11-19 07:56:03,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:03,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607509550] [2022-11-19 07:56:03,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:03,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-19 07:56:05,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:05,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607509550] [2022-11-19 07:56:05,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607509550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:05,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:05,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618072833] [2022-11-19 07:56:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:05,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:56:05,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:56:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:56:05,316 INFO L87 Difference]: Start difference. First operand 28895 states and 41759 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:56:07,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:56:10,599 WARN L539 Checker$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 07:56:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:12,852 INFO L93 Difference]: Finished difference Result 28961 states and 41825 transitions. [2022-11-19 07:56:12,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:56:12,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 168 [2022-11-19 07:56:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:12,856 INFO L225 Difference]: With dead ends: 28961 [2022-11-19 07:56:12,856 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:56:12,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:56:12,925 INFO L413 NwaCegarLoop]: 3963 mSDtfsCounter, 4243 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4243 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:12,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4243 Valid, 4000 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 07:56:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:56:12,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:56:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:56:12,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2022-11-19 07:56:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:12,932 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:56:12,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:56:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:56:12,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:56:12,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:56:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:56:12,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.