./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/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_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 01:43:49,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:43:49,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:43:50,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:43:50,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:43:50,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:43:50,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:43:50,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:43:50,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:43:50,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:43:50,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:43:50,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:43:50,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:43:50,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:43:50,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:43:50,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:43:50,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:43:50,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:43:50,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:43:50,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:43:50,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:43:50,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:43:50,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:43:50,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:43:50,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:43:50,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:43:50,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:43:50,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:43:50,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:43:50,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:43:50,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:43:50,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:43:50,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:43:50,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:43:50,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:43:50,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:43:50,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:43:50,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:43:50,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:43:50,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:43:50,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:43:50,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:43:50,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:43:50,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:43:50,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:43:50,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:43:50,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:43:50,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:43:50,154 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:43:50,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:43:50,155 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:43:50,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:43:50,156 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:43:50,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:43:50,157 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:43:50,157 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:43:50,157 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:43:50,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:43:50,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:43:50,158 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:43:50,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:43:50,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:43:50,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:43:50,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:43:50,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:43:50,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:43:50,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:43:50,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:43:50,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:43:50,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:43:50,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:43:50,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:43:50,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:43:50,163 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:43:50,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:43:50,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:43:50,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:43:50,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:43:50,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:43:50,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:43:50,165 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_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 241c7b85b75a318a4203bcb947e5338118d62403403860a951e0e444656bbeb8 [2022-11-03 01:43:50,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:43:50,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:43:50,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:43:50,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:43:50,529 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:43:50,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 01:43:50,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/data/171caf184/48625c5fc2034ad28056cc14bb2c9553/FLAG94e295fdc [2022-11-03 01:43:51,750 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:43:51,752 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/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 [2022-11-03 01:43:51,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/data/171caf184/48625c5fc2034ad28056cc14bb2c9553/FLAG94e295fdc [2022-11-03 01:43:51,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/data/171caf184/48625c5fc2034ad28056cc14bb2c9553 [2022-11-03 01:43:51,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:43:51,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:43:51,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:43:51,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:43:52,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:43:52,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:51" (1/1) ... [2022-11-03 01:43:52,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758a3020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:52, skipping insertion in model container [2022-11-03 01:43:52,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:51" (1/1) ... [2022-11-03 01:43:52,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:43:52,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:43:57,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/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] [2022-11-03 01:43:57,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:43:57,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:43:58,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/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] [2022-11-03 01:43:58,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:43:58,334 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:43:58,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58 WrapperNode [2022-11-03 01:43:58,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:43:58,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:43:58,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:43:58,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:43:58,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:43:58,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:43:59,828 INFO L138 Inliner]: procedures = 600, calls = 5744, calls flagged for inlining = 269, calls inlined = 235, statements flattened = 11433 [2022-11-03 01:43:59,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:43:59,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:43:59,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:43:59,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:43:59,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:43:59,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:00,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:00,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:44:01,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:44:01,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:44:01,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:44:01,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (1/1) ... [2022-11-03 01:44:01,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:44:01,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:44:01,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdd2f7e-020b-4b49-aa3f-781ad3658190/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:44:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:44:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:44:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2022-11-03 01:44:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2022-11-03 01:44:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:44:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-03 01:44:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-03 01:44:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:44:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:44:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2022-11-03 01:44:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2022-11-03 01:44:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:44:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:44:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:44:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:44:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2022-11-03 01:44:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2022-11-03 01:44:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:44:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:44:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2022-11-03 01:44:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2022-11-03 01:44:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-03 01:44:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-03 01:44:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:44:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:44:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:44:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:44:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2022-11-03 01:44:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2022-11-03 01:44:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2022-11-03 01:44:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2022-11-03 01:44:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2022-11-03 01:44:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2022-11-03 01:44:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:44:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:44:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:44:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:44:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2022-11-03 01:44:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2022-11-03 01:44:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2022-11-03 01:44:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2022-11-03 01:44:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2022-11-03 01:44:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2022-11-03 01:44:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2022-11-03 01:44:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2022-11-03 01:44:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2022-11-03 01:44:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2022-11-03 01:44:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:44:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:44:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 01:44:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2022-11-03 01:44:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2022-11-03 01:44:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:44:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:44:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2022-11-03 01:44:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2022-11-03 01:44:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2022-11-03 01:44:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2022-11-03 01:44:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2022-11-03 01:44:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2022-11-03 01:44:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:44:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2022-11-03 01:44:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2022-11-03 01:44:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-03 01:44:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-03 01:44:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-03 01:44:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-03 01:44:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 01:44:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 01:44:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:44:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:44:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 01:44:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 01:44:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2022-11-03 01:44:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2022-11-03 01:44:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:44:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:44:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2022-11-03 01:44:01,964 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2022-11-03 01:44:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:44:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:44:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2022-11-03 01:44:01,965 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2022-11-03 01:44:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2022-11-03 01:44:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2022-11-03 01:44:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:44:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2022-11-03 01:44:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2022-11-03 01:44:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:44:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:44:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:44:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:44:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 01:44:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 01:44:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:44:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2022-11-03 01:44:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2022-11-03 01:44:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-03 01:44:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-03 01:44:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:44:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:44:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:44:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2022-11-03 01:44:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2022-11-03 01:44:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:44:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:44:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2022-11-03 01:44:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2022-11-03 01:44:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2022-11-03 01:44:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2022-11-03 01:44:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2022-11-03 01:44:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2022-11-03 01:44:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-03 01:44:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-03 01:44:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:44:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:44:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:44:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 01:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 01:44:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-03 01:44:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-03 01:44:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-03 01:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-03 01:44:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2022-11-03 01:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2022-11-03 01:44:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2022-11-03 01:44:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2022-11-03 01:44:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:44:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:44:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:44:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2022-11-03 01:44:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2022-11-03 01:44:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2022-11-03 01:44:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2022-11-03 01:44:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 01:44:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 01:44:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 01:44:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 01:44:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 01:44:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:44:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:44:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2022-11-03 01:44:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2022-11-03 01:44:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:44:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2022-11-03 01:44:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2022-11-03 01:44:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2022-11-03 01:44:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2022-11-03 01:44:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2022-11-03 01:44:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2022-11-03 01:44:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:44:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2022-11-03 01:44:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2022-11-03 01:44:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2022-11-03 01:44:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2022-11-03 01:44:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:44:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:44:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2022-11-03 01:44:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2022-11-03 01:44:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:44:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:44:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2022-11-03 01:44:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2022-11-03 01:44:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2022-11-03 01:44:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2022-11-03 01:44:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2022-11-03 01:44:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2022-11-03 01:44:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2022-11-03 01:44:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2022-11-03 01:44:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 01:44:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 01:44:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2022-11-03 01:44:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2022-11-03 01:44:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:44:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:44:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2022-11-03 01:44:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2022-11-03 01:44:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2022-11-03 01:44:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2022-11-03 01:44:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:44:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:44:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:44:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:44:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 01:44:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 01:44:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2022-11-03 01:44:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2022-11-03 01:44:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:44:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:44:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-03 01:44:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-03 01:44:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:44:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:44:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:44:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:44:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2022-11-03 01:44:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2022-11-03 01:44:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2022-11-03 01:44:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2022-11-03 01:44:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2022-11-03 01:44:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2022-11-03 01:44:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-03 01:44:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-03 01:44:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2022-11-03 01:44:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2022-11-03 01:44:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 01:44:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 01:44:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2022-11-03 01:44:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2022-11-03 01:44:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2022-11-03 01:44:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2022-11-03 01:44:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:44:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:44:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-03 01:44:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-03 01:44:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:44:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:44:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-03 01:44:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-03 01:44:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2022-11-03 01:44:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2022-11-03 01:44:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2022-11-03 01:44:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2022-11-03 01:44:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2022-11-03 01:44:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2022-11-03 01:44:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2022-11-03 01:44:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2022-11-03 01:44:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2022-11-03 01:44:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2022-11-03 01:44:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:44:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:44:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:44:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:44:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2022-11-03 01:44:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2022-11-03 01:44:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:44:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:44:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:44:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:44:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2022-11-03 01:44:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2022-11-03 01:44:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2022-11-03 01:44:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2022-11-03 01:44:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2022-11-03 01:44:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2022-11-03 01:44:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 01:44:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 01:44:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-03 01:44:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-03 01:44:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2022-11-03 01:44:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2022-11-03 01:44:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:44:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:44:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:44:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:44:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2022-11-03 01:44:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2022-11-03 01:44:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-03 01:44:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-03 01:44:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 01:44:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 01:44:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2022-11-03 01:44:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2022-11-03 01:44:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2022-11-03 01:44:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2022-11-03 01:44:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2022-11-03 01:44:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2022-11-03 01:44:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 01:44:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 01:44:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2022-11-03 01:44:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2022-11-03 01:44:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:44:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2022-11-03 01:44:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2022-11-03 01:44:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2022-11-03 01:44:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2022-11-03 01:44:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-03 01:44:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-03 01:44:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:44:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:44:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:44:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:44:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 01:44:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 01:44:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2022-11-03 01:44:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2022-11-03 01:44:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:44:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:44:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2022-11-03 01:44:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2022-11-03 01:44:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:44:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:44:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2022-11-03 01:44:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2022-11-03 01:44:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2022-11-03 01:44:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2022-11-03 01:44:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 01:44:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 01:44:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2022-11-03 01:44:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2022-11-03 01:44:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2022-11-03 01:44:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2022-11-03 01:44:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2022-11-03 01:44:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2022-11-03 01:44:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:44:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:44:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:44:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:44:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2022-11-03 01:44:02,043 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2022-11-03 01:44:02,043 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 01:44:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 01:44:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2022-11-03 01:44:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2022-11-03 01:44:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-03 01:44:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-03 01:44:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:44:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-03 01:44:02,044 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-03 01:44:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2022-11-03 01:44:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2022-11-03 01:44:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:44:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:44:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2022-11-03 01:44:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2022-11-03 01:44:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-03 01:44:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-03 01:44:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2022-11-03 01:44:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2022-11-03 01:44:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2022-11-03 01:44:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2022-11-03 01:44:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2022-11-03 01:44:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2022-11-03 01:44:02,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:44:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:44:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:44:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:44:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2022-11-03 01:44:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2022-11-03 01:44:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2022-11-03 01:44:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2022-11-03 01:44:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-03 01:44:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-03 01:44:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2022-11-03 01:44:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2022-11-03 01:44:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 01:44:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 01:44:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:44:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:44:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2022-11-03 01:44:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2022-11-03 01:44:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2022-11-03 01:44:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2022-11-03 01:44:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-03 01:44:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-03 01:44:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2022-11-03 01:44:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2022-11-03 01:44:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 01:44:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 01:44:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-03 01:44:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-03 01:44:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-03 01:44:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-03 01:44:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-03 01:44:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-03 01:44:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2022-11-03 01:44:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2022-11-03 01:44:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2022-11-03 01:44:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2022-11-03 01:44:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:44:02,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:44:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2022-11-03 01:44:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2022-11-03 01:44:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2022-11-03 01:44:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2022-11-03 01:44:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-11-03 01:44:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-11-03 01:44:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2022-11-03 01:44:02,057 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2022-11-03 01:44:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2022-11-03 01:44:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2022-11-03 01:44:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:44:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2022-11-03 01:44:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2022-11-03 01:44:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 01:44:02,058 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-03 01:44:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-03 01:44:03,758 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:44:03,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:44:03,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:53:25,009 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:29,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:29,257 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:53:29,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:29 BoogieIcfgContainer [2022-11-03 01:53:29,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:29,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:29,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:29,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:29,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:43:51" (1/3) ... [2022-11-03 01:53:29,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19444a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:29, skipping insertion in model container [2022-11-03 01:53:29,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:58" (2/3) ... [2022-11-03 01:53:29,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19444a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:29, skipping insertion in model container [2022-11-03 01:53:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:29" (3/3) ... [2022-11-03 01:53:29,273 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 [2022-11-03 01:53:29,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:29,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:53:29,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:29,549 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;@73ca7761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:29,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:53:29,562 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) [2022-11-03 01:53:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 01:53:29,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:29,586 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] [2022-11-03 01:53:29,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -870873458, now seen corresponding path program 1 times [2022-11-03 01:53:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:29,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291158694] [2022-11-03 01:53:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-03 01:53:31,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:31,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291158694] [2022-11-03 01:53:31,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291158694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:31,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:31,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:31,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398533196] [2022-11-03 01:53:31,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:31,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:31,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:31,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:31,897 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) [2022-11-03 01:53:34,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:41,431 INFO L93 Difference]: Finished difference Result 8876 states and 13129 transitions. [2022-11-03 01:53:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:41,437 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 [2022-11-03 01:53:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:41,522 INFO L225 Difference]: With dead ends: 8876 [2022-11-03 01:53:41,522 INFO L226 Difference]: Without dead ends: 5800 [2022-11-03 01:53:41,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:41,571 INFO L413 NwaCegarLoop]: 4880 mSDtfsCounter, 4063 mSDsluCounter, 4397 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4063 SdHoareTripleChecker+Valid, 8908 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:41,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4063 Valid, 8908 Invalid, 768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 761 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 01:53:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2022-11-03 01:53:42,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5796. [2022-11-03 01:53:42,039 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) [2022-11-03 01:53:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5796 states to 5796 states and 8408 transitions. [2022-11-03 01:53:42,117 INFO L78 Accepts]: Start accepts. Automaton has 5796 states and 8408 transitions. Word has length 57 [2022-11-03 01:53:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:42,120 INFO L495 AbstractCegarLoop]: Abstraction has 5796 states and 8408 transitions. [2022-11-03 01:53:42,121 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) [2022-11-03 01:53:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5796 states and 8408 transitions. [2022-11-03 01:53:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 01:53:42,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:42,137 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, 1, 1] [2022-11-03 01:53:42,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:53:42,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:42,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:42,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2090295835, now seen corresponding path program 1 times [2022-11-03 01:53:42,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:42,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048911397] [2022-11-03 01:53:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:53:43,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:43,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048911397] [2022-11-03 01:53:43,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048911397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:43,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:43,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:43,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600986572] [2022-11-03 01:53:43,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:43,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:43,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:43,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:43,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:43,780 INFO L87 Difference]: Start difference. First operand 5796 states and 8408 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 01:53:45,931 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 [] [2022-11-03 01:53:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:54,182 INFO L93 Difference]: Finished difference Result 17196 states and 24944 transitions. [2022-11-03 01:53:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:54,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 94 [2022-11-03 01:53:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:54,288 INFO L225 Difference]: With dead ends: 17196 [2022-11-03 01:53:54,289 INFO L226 Difference]: Without dead ends: 11409 [2022-11-03 01:53:54,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:54,330 INFO L413 NwaCegarLoop]: 5098 mSDtfsCounter, 4246 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 9082 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:54,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4246 Valid, 9082 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 795 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 01:53:54,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2022-11-03 01:53:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 11406. [2022-11-03 01:53:54,952 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) [2022-11-03 01:53:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11406 states to 11406 states and 16545 transitions. [2022-11-03 01:53:55,032 INFO L78 Accepts]: Start accepts. Automaton has 11406 states and 16545 transitions. Word has length 94 [2022-11-03 01:53:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:55,033 INFO L495 AbstractCegarLoop]: Abstraction has 11406 states and 16545 transitions. [2022-11-03 01:53:55,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 01:53:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 11406 states and 16545 transitions. [2022-11-03 01:53:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 01:53:55,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:55,046 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] [2022-11-03 01:53:55,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:53:55,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1402255540, now seen corresponding path program 1 times [2022-11-03 01:53:55,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:55,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363055706] [2022-11-03 01:53:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-03 01:53:56,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:56,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363055706] [2022-11-03 01:53:56,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363055706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:56,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:56,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287626038] [2022-11-03 01:53:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:56,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:56,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:56,776 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) [2022-11-03 01:53:58,953 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 [] [2022-11-03 01:54:09,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:09,313 INFO L93 Difference]: Finished difference Result 33960 states and 49261 transitions. [2022-11-03 01:54:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:09,313 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 [2022-11-03 01:54:09,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:09,474 INFO L225 Difference]: With dead ends: 33960 [2022-11-03 01:54:09,474 INFO L226 Difference]: Without dead ends: 22553 [2022-11-03 01:54:09,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:09,550 INFO L413 NwaCegarLoop]: 7506 mSDtfsCounter, 4355 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4355 SdHoareTripleChecker+Valid, 11459 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:09,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4355 Valid, 11459 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1048 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-03 01:54:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22553 states. [2022-11-03 01:54:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22553 to 22540. [2022-11-03 01:54:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22540 states, 14492 states have (on average 1.3343913883521943) internal successors, (19338), 14804 states have internal predecessors, (19338), 6679 states have call successors, (6679), 1375 states have call predecessors, (6679), 1368 states have return successors, (6672), 6628 states have call predecessors, (6672), 6672 states have call successors, (6672) [2022-11-03 01:54:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22540 states to 22540 states and 32689 transitions. [2022-11-03 01:54:10,815 INFO L78 Accepts]: Start accepts. Automaton has 22540 states and 32689 transitions. Word has length 127 [2022-11-03 01:54:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:10,816 INFO L495 AbstractCegarLoop]: Abstraction has 22540 states and 32689 transitions. [2022-11-03 01:54:10,816 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) [2022-11-03 01:54:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22540 states and 32689 transitions. [2022-11-03 01:54:10,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 01:54:10,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:10,824 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] [2022-11-03 01:54:10,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:54:10,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:10,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:10,825 INFO L85 PathProgramCache]: Analyzing trace with hash -376291206, now seen corresponding path program 1 times [2022-11-03 01:54:10,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:10,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715951647] [2022-11-03 01:54:10,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:10,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:54:12,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:12,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715951647] [2022-11-03 01:54:12,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715951647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:12,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:12,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774503633] [2022-11-03 01:54:12,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:12,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:12,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:12,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:12,860 INFO L87 Difference]: Start difference. First operand 22540 states and 32689 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2022-11-03 01:54:15,027 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 [] [2022-11-03 01:54:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:21,913 INFO L93 Difference]: Finished difference Result 45248 states and 65650 transitions. [2022-11-03 01:54:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:21,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 124 [2022-11-03 01:54:21,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:22,065 INFO L225 Difference]: With dead ends: 45248 [2022-11-03 01:54:22,065 INFO L226 Difference]: Without dead ends: 22717 [2022-11-03 01:54:22,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:22,197 INFO L413 NwaCegarLoop]: 4211 mSDtfsCounter, 300 mSDsluCounter, 4284 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 8136 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:22,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 8136 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 745 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-03 01:54:22,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22717 states. [2022-11-03 01:54:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22717 to 22540. [2022-11-03 01:54:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22540 states, 14492 states have (on average 1.334115373999448) internal successors, (19334), 14800 states have internal predecessors, (19334), 6679 states have call successors, (6679), 1375 states have call predecessors, (6679), 1368 states have return successors, (6672), 6628 states have call predecessors, (6672), 6672 states have call successors, (6672) [2022-11-03 01:54:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22540 states to 22540 states and 32685 transitions. [2022-11-03 01:54:23,643 INFO L78 Accepts]: Start accepts. Automaton has 22540 states and 32685 transitions. Word has length 124 [2022-11-03 01:54:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:23,643 INFO L495 AbstractCegarLoop]: Abstraction has 22540 states and 32685 transitions. [2022-11-03 01:54:23,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2022-11-03 01:54:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22540 states and 32685 transitions. [2022-11-03 01:54:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 01:54:23,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:23,652 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] [2022-11-03 01:54:23,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:54:23,653 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:23,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1764658381, now seen corresponding path program 1 times [2022-11-03 01:54:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:23,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888408744] [2022-11-03 01:54:23,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:54:25,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:25,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888408744] [2022-11-03 01:54:25,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888408744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:25,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:25,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:54:25,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974756413] [2022-11-03 01:54:25,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:25,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:54:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:54:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:25,359 INFO L87 Difference]: Start difference. First operand 22540 states and 32685 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) [2022-11-03 01:54:27,483 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 [] [2022-11-03 01:54:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:35,167 INFO L93 Difference]: Finished difference Result 45079 states and 65365 transitions. [2022-11-03 01:54:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:54:35,168 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 [2022-11-03 01:54:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:35,311 INFO L225 Difference]: With dead ends: 45079 [2022-11-03 01:54:35,311 INFO L226 Difference]: Without dead ends: 22464 [2022-11-03 01:54:35,564 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 [2022-11-03 01:54:35,568 INFO L413 NwaCegarLoop]: 4012 mSDtfsCounter, 1 mSDsluCounter, 8768 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12031 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:35,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12031 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1132 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-03 01:54:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22464 states. [2022-11-03 01:54:36,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22464 to 22464. [2022-11-03 01:54:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22464 states, 14456 states have (on average 1.3338406198118429) internal successors, (19282), 14756 states have internal predecessors, (19282), 6659 states have call successors, (6659), 1361 states have call predecessors, (6659), 1348 states have return successors, (6640), 6600 states have call predecessors, (6640), 6640 states have call successors, (6640) [2022-11-03 01:54:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22464 states to 22464 states and 32581 transitions. [2022-11-03 01:54:37,042 INFO L78 Accepts]: Start accepts. Automaton has 22464 states and 32581 transitions. Word has length 130 [2022-11-03 01:54:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:37,042 INFO L495 AbstractCegarLoop]: Abstraction has 22464 states and 32581 transitions. [2022-11-03 01:54:37,043 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) [2022-11-03 01:54:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22464 states and 32581 transitions. [2022-11-03 01:54:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 01:54:37,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:37,054 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] [2022-11-03 01:54:37,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:54:37,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:37,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:37,055 INFO L85 PathProgramCache]: Analyzing trace with hash 114447045, now seen corresponding path program 1 times [2022-11-03 01:54:37,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:37,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417100294] [2022-11-03 01:54:37,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:37,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-03 01:54:38,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:38,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417100294] [2022-11-03 01:54:38,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417100294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:38,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:38,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:54:38,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342826138] [2022-11-03 01:54:38,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:38,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:54:38,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:54:38,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:38,692 INFO L87 Difference]: Start difference. First operand 22464 states and 32581 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) [2022-11-03 01:54:40,854 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 [] [2022-11-03 01:54:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:49,480 INFO L93 Difference]: Finished difference Result 40250 states and 58339 transitions. [2022-11-03 01:54:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:54:49,481 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 [2022-11-03 01:54:49,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:49,590 INFO L225 Difference]: With dead ends: 40250 [2022-11-03 01:54:49,591 INFO L226 Difference]: Without dead ends: 17739 [2022-11-03 01:54:49,711 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 [2022-11-03 01:54:49,713 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 1 mSDsluCounter, 8730 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11985 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:49,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11985 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1120 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 01:54:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17739 states. [2022-11-03 01:54:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17739 to 17735. [2022-11-03 01:54:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17735 states, 11434 states have (on average 1.3361903096029386) internal successors, (15278), 11668 states have internal predecessors, (15278), 5217 states have call successors, (5217), 1092 states have call predecessors, (5217), 1083 states have return successors, (5204), 5172 states have call predecessors, (5204), 5204 states have call successors, (5204) [2022-11-03 01:54:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17735 states to 17735 states and 25699 transitions. [2022-11-03 01:54:50,807 INFO L78 Accepts]: Start accepts. Automaton has 17735 states and 25699 transitions. Word has length 144 [2022-11-03 01:54:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:50,808 INFO L495 AbstractCegarLoop]: Abstraction has 17735 states and 25699 transitions. [2022-11-03 01:54:50,808 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) [2022-11-03 01:54:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 17735 states and 25699 transitions. [2022-11-03 01:54:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-03 01:54:50,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:50,814 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] [2022-11-03 01:54:50,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:54:50,815 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:50,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:50,815 INFO L85 PathProgramCache]: Analyzing trace with hash 611847429, now seen corresponding path program 1 times [2022-11-03 01:54:50,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:50,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351020042] [2022-11-03 01:54:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-03 01:54:52,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:52,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351020042] [2022-11-03 01:54:52,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351020042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:52,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:52,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:54:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587822371] [2022-11-03 01:54:52,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:52,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:54:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:54:52,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:52,763 INFO L87 Difference]: Start difference. First operand 17735 states and 25699 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) [2022-11-03 01:54:54,930 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 [] [2022-11-03 01:55:09,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:09,495 INFO L93 Difference]: Finished difference Result 36488 states and 52818 transitions. [2022-11-03 01:55:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:55:09,496 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 [2022-11-03 01:55:09,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:09,603 INFO L225 Difference]: With dead ends: 36488 [2022-11-03 01:55:09,604 INFO L226 Difference]: Without dead ends: 18762 [2022-11-03 01:55:09,707 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 [2022-11-03 01:55:09,709 INFO L413 NwaCegarLoop]: 7175 mSDtfsCounter, 4553 mSDsluCounter, 11449 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4553 SdHoareTripleChecker+Valid, 17642 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:09,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4553 Valid, 17642 Invalid, 1830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 1718 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2022-11-03 01:55:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18762 states. [2022-11-03 01:55:10,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18762 to 16315. [2022-11-03 01:55:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16315 states, 10465 states have (on average 1.3301481127568084) internal successors, (13920), 10683 states have internal predecessors, (13920), 4851 states have call successors, (4851), 1007 states have call predecessors, (4851), 998 states have return successors, (4838), 4807 states have call predecessors, (4838), 4838 states have call successors, (4838) [2022-11-03 01:55:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16315 states to 16315 states and 23609 transitions. [2022-11-03 01:55:10,682 INFO L78 Accepts]: Start accepts. Automaton has 16315 states and 23609 transitions. Word has length 154 [2022-11-03 01:55:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:10,684 INFO L495 AbstractCegarLoop]: Abstraction has 16315 states and 23609 transitions. [2022-11-03 01:55:10,684 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) [2022-11-03 01:55:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 16315 states and 23609 transitions. [2022-11-03 01:55:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-03 01:55:10,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:10,689 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] [2022-11-03 01:55:10,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:55:10,690 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:10,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:10,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1089880245, now seen corresponding path program 1 times [2022-11-03 01:55:10,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:10,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78455279] [2022-11-03 01:55:10,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:10,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-03 01:55:12,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:12,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78455279] [2022-11-03 01:55:12,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78455279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:12,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:12,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293925512] [2022-11-03 01:55:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:12,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:12,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:12,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:12,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:12,074 INFO L87 Difference]: Start difference. First operand 16315 states and 23609 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) [2022-11-03 01:55:14,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:18,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:22,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:23,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:23,689 INFO L93 Difference]: Finished difference Result 30667 states and 44362 transitions. [2022-11-03 01:55:23,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:23,690 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 [2022-11-03 01:55:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:23,777 INFO L225 Difference]: With dead ends: 30667 [2022-11-03 01:55:23,777 INFO L226 Difference]: Without dead ends: 17079 [2022-11-03 01:55:23,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:23,844 INFO L413 NwaCegarLoop]: 5290 mSDtfsCounter, 3979 mSDsluCounter, 4312 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3979 SdHoareTripleChecker+Valid, 9241 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:23,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3979 Valid, 9241 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 803 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-11-03 01:55:23,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17079 states. [2022-11-03 01:55:24,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17079 to 17037. [2022-11-03 01:55:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17037 states, 10956 states have (on average 1.3329682365826945) internal successors, (14604), 11180 states have internal predecessors, (14604), 5015 states have call successors, (5015), 1074 states have call predecessors, (5015), 1065 states have return successors, (5002), 4971 states have call predecessors, (5002), 5002 states have call successors, (5002) [2022-11-03 01:55:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17037 states to 17037 states and 24621 transitions. [2022-11-03 01:55:24,788 INFO L78 Accepts]: Start accepts. Automaton has 17037 states and 24621 transitions. Word has length 160 [2022-11-03 01:55:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:24,788 INFO L495 AbstractCegarLoop]: Abstraction has 17037 states and 24621 transitions. [2022-11-03 01:55:24,789 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) [2022-11-03 01:55:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 17037 states and 24621 transitions. [2022-11-03 01:55:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-03 01:55:24,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:24,795 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] [2022-11-03 01:55:24,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:55:24,795 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1009739598, now seen corresponding path program 1 times [2022-11-03 01:55:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:24,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106731886] [2022-11-03 01:55:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:55:26,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:26,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106731886] [2022-11-03 01:55:26,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106731886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:26,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:26,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:26,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827605873] [2022-11-03 01:55:26,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:26,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:26,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:26,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:26,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:26,703 INFO L87 Difference]: Start difference. First operand 17037 states and 24621 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) [2022-11-03 01:55:28,830 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 [] [2022-11-03 01:55:32,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:32,918 INFO L93 Difference]: Finished difference Result 17073 states and 24657 transitions. [2022-11-03 01:55:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:32,919 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 [2022-11-03 01:55:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:32,921 INFO L225 Difference]: With dead ends: 17073 [2022-11-03 01:55:32,922 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:55:33,039 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 [2022-11-03 01:55:33,039 INFO L413 NwaCegarLoop]: 3979 mSDtfsCounter, 4243 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4243 SdHoareTripleChecker+Valid, 4016 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:33,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4243 Valid, 4016 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 377 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 01:55:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:55:33,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:55:33,041 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) [2022-11-03 01:55:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:55:33,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2022-11-03 01:55:33,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:33,045 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:55:33,045 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) [2022-11-03 01:55:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:55:33,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:55:33,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:55:33,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:55:33,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.