./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta --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 aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 --- 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-dbf71c6-m [2022-10-17 17:45:31,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:45:31,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:45:31,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:45:31,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:45:31,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:45:31,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:45:31,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:45:31,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:45:31,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:45:31,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:45:31,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:45:31,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:45:31,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:45:31,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:45:31,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:45:31,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:45:31,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:45:31,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:45:31,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:45:31,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:45:31,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:45:31,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:45:31,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:45:31,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:45:31,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:45:31,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:45:31,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:45:31,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:45:31,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:45:31,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:45:31,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:45:31,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:45:31,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:45:31,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:45:31,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:45:31,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:45:31,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:45:31,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:45:31,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:45:31,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:45:31,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:45:31,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:45:31,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:45:31,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:45:31,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:45:31,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:45:31,976 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:45:31,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:45:31,977 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:45:31,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:45:31,978 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:45:31,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:45:31,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:45:31,979 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:45:31,979 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:45:31,980 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:45:31,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:45:31,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:45:31,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:45:31,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:45:31,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:45:31,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:45:31,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:45:31,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:45:31,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:45:31,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:45:31,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:45:31,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:31,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:45:31,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:45:31,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:45:31,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:45:31,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:45:31,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:45:31,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:45:31,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:45:31,987 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_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaf1d771ac3b5c1ee5469ce53dcb9ae85a178368868569822ee5e312f0a622d5 [2022-10-17 17:45:32,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:45:32,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:45:32,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:45:32,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:45:32,309 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:45:32,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2022-10-17 17:45:32,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/data/5989bc3ef/84fad7a2f5d145caaf4adecf4f45a3f1/FLAG06cda39e3 [2022-10-17 17:45:33,383 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:45:33,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2022-10-17 17:45:33,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/data/5989bc3ef/84fad7a2f5d145caaf4adecf4f45a3f1/FLAG06cda39e3 [2022-10-17 17:45:33,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/data/5989bc3ef/84fad7a2f5d145caaf4adecf4f45a3f1 [2022-10-17 17:45:33,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:45:33,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:45:33,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:33,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:45:33,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:45:33,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddbb6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:33, skipping insertion in model container [2022-10-17 17:45:33,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:45:33,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:45:34,748 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2022-10-17 17:45:34,749 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2022-10-17 17:45:35,411 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_aeae93f5-0f80-4f34-8999-4d58d61c939a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2022-10-17 17:45:36,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:36,787 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:45:36,944 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7208] [2022-10-17 17:45:36,945 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7209-7210] [2022-10-17 17:45:36,972 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_aeae93f5-0f80-4f34-8999-4d58d61c939a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i[225756,225769] [2022-10-17 17:45:37,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:37,459 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:45:37,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37 WrapperNode [2022-10-17 17:45:37,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:37,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:37,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:45:37,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:45:37,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,856 INFO L138 Inliner]: procedures = 276, calls = 2109, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 4778 [2022-10-17 17:45:37,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:37,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:45:37,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:45:37,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:45:37,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:45:38,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:45:38,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:45:38,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:38,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:45:38,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:45:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeae93f5-0f80-4f34-8999-4d58d61c939a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:45:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 17:45:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 17:45:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_shutdown_session [2022-10-17 17:45:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_shutdown_session [2022-10-17 17:45:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_session_release [2022-10-17 17:45:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_session_release [2022-10-17 17:45:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 17:45:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 17:45:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_mgt_agent_process [2022-10-17 17:45:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_mgt_agent_process [2022-10-17 17:45:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:45:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_tag [2022-10-17 17:45:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_tag [2022-10-17 17:45:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:45:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:45:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:45:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_post_link_lun [2022-10-17 17:45:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_post_link_lun [2022-10-17 17:45:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_proto_ident [2022-10-17 17:45:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_proto_ident [2022-10-17 17:45:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id_len [2022-10-17 17:45:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id_len [2022-10-17 17:45:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:45:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:45:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_status [2022-10-17 17:45:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_status [2022-10-17 17:45:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure read_peer_guid [2022-10-17 17:45:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure read_peer_guid [2022-10-17 17:45:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:45:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:45:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_data_in [2022-10-17 17:45:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_data_in [2022-10-17 17:45:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_queue_tm_rsp [2022-10-17 17:45:38,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_queue_tm_rsp [2022-10-17 17:45:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tport [2022-10-17 17:45:38,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tport [2022-10-17 17:45:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_aborted_task [2022-10-17 17:45:38,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_aborted_task [2022-10-17 17:45:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:45:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:45:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tpg [2022-10-17 17:45:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tpg [2022-10-17 17:45:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure sbp2_pointer_to_addr [2022-10-17 17:45:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp2_pointer_to_addr [2022-10-17 17:45:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_login [2022-10-17 17:45:38,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_login [2022-10-17 17:45:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:45:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:45:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_process_work [2022-10-17 17:45:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_process_work [2022-10-17 17:45:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:45:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:45:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:45:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:45:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_pr_transport_id [2022-10-17 17:45:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_pr_transport_id [2022-10-17 17:45:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-10-17 17:45:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-10-17 17:45:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_tpg [2022-10-17 17:45:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_tpg [2022-10-17 17:45:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_close_session [2022-10-17 17:45:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_close_session [2022-10-17 17:45:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 17:45:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 17:45:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:45:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:45:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:45:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:45:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_reconnect [2022-10-17 17:45:38,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_reconnect [2022-10-17 17:45:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_release [2022-10-17 17:45:38,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_release [2022-10-17 17:45:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 17:45:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:45:38,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:45:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_nodeacl [2022-10-17 17:45:38,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_nodeacl [2022-10-17 17:45:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-10-17 17:45:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_cmd [2022-10-17 17:45:38,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_cmd [2022-10-17 17:45:38,437 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_check_active [2022-10-17 17:45:38,437 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_check_active [2022-10-17 17:45:38,437 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_pre_unlink_lun [2022-10-17 17:45:38,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_pre_unlink_lun [2022-10-17 17:45:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:45:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_drop_nodeacl [2022-10-17 17:45:38,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_drop_nodeacl [2022-10-17 17:45:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:45:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_command [2022-10-17 17:45:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_command [2022-10-17 17:45:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-17 17:45:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-17 17:45:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:45:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:45:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:45:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:45:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:45:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:45:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 17:45:38,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 17:45:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure session_check_for_reset [2022-10-17 17:45:38,442 INFO L138 BoogieDeclarations]: Found implementation of procedure session_check_for_reset [2022-10-17 17:45:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-17 17:45:38,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-17 17:45:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:45:38,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:45:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 17:45:38,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 17:45:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_agent_fetch_work [2022-10-17 17:45:38,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_agent_fetch_work [2022-10-17 17:45:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:45:38,449 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_format_wwn [2022-10-17 17:45:38,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_format_wwn [2022-10-17 17:45:38,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:45:38,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:45:38,451 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_set_default_node_attrs [2022-10-17 17:45:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_set_default_node_attrs [2022-10-17 17:45:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:45:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:45:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_task_tag [2022-10-17 17:45:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_task_tag [2022-10-17 17:45:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_agent_unregister [2022-10-17 17:45:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_agent_unregister [2022-10-17 17:45:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 17:45:38,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 17:45:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:45:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure session_maintenance_work [2022-10-17 17:45:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure session_maintenance_work [2022-10-17 17:45:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_true [2022-10-17 17:45:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_true [2022-10-17 17:45:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:45:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_name [2022-10-17 17:45:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_name [2022-10-17 17:45:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_put [2022-10-17 17:45:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_put [2022-10-17 17:45:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure addr_to_sbp2_pointer [2022-10-17 17:45:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_to_sbp2_pointer [2022-10-17 17:45:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:45:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:45:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_transaction [2022-10-17 17:45:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_transaction [2022-10-17 17:45:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure session_reconnect_expired [2022-10-17 17:45:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure session_reconnect_expired [2022-10-17 17:45:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_status [2022-10-17 17:45:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_status [2022-10-17 17:45:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:45:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:45:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_pr_out_transport_id [2022-10-17 17:45:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_pr_out_transport_id [2022-10-17 17:45:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 17:45:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 17:45:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:45:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_make_tport [2022-10-17 17:45:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_make_tport [2022-10-17 17:45:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_add_address_handler [2022-10-17 17:45:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_add_address_handler [2022-10-17 17:45:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_handle_command [2022-10-17 17:45:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_handle_command [2022-10-17 17:45:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 17:45:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 17:45:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:45:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:45:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_release_fabric_acl [2022-10-17 17:45:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_release_fabric_acl [2022-10-17 17:45:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_sess_get_index [2022-10-17 17:45:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_sess_get_index [2022-10-17 17:45:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_find_by_id [2022-10-17 17:45:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_find_by_id [2022-10-17 17:45:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:45:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_get [2022-10-17 17:45:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_card_get [2022-10-17 17:45:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_rw_data [2022-10-17 17:45:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_rw_data [2022-10-17 17:45:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:45:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:45:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:45:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:45:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_fetch_page_table [2022-10-17 17:45:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_fetch_page_table [2022-10-17 17:45:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_send_sense [2022-10-17 17:45:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_send_sense [2022-10-17 17:45:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_free_request [2022-10-17 17:45:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_free_request [2022-10-17 17:45:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_parse_wwn [2022-10-17 17:45:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_parse_wwn [2022-10-17 17:45:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:45:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:45:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_management_request_logout [2022-10-17 17:45:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_management_request_logout [2022-10-17 17:45:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_fabric_wwn [2022-10-17 17:45:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_fabric_wwn [2022-10-17 17:45:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-17 17:45:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-17 17:45:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_run_request_transaction [2022-10-17 17:45:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_run_request_transaction [2022-10-17 17:45:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-10-17 17:45:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-10-17 17:45:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-17 17:45:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-17 17:45:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_update_unit_directory [2022-10-17 17:45:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_update_unit_directory [2022-10-17 17:45:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 17:45:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 17:45:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_default_depth [2022-10-17 17:45:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_default_depth [2022-10-17 17:45:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_login_count_all_by_lun [2022-10-17 17:45:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_login_count_all_by_lun [2022-10-17 17:45:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_false [2022-10-17 17:45:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_false [2022-10-17 17:45:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:45:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:45:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-17 17:45:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-17 17:45:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_write_pending_status [2022-10-17 17:45:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_write_pending_status [2022-10-17 17:45:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_tpg_get_inst_index [2022-10-17 17:45:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_tpg_get_inst_index [2022-10-17 17:45:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2022-10-17 17:45:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2022-10-17 17:45:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_get_cmd_state [2022-10-17 17:45:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_get_cmd_state [2022-10-17 17:45:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:45:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_alloc_fabric_acl [2022-10-17 17:45:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_alloc_fabric_acl [2022-10-17 17:45:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-17 17:45:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-17 17:45:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_count_se_tpg_luns [2022-10-17 17:45:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_count_se_tpg_luns [2022-10-17 17:45:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure fw_card_release [2022-10-17 17:45:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:45:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:45:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure sbp_check_stop_free [2022-10-17 17:45:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sbp_check_stop_free [2022-10-17 17:45:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 17:45:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 17:45:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:45:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:45:39,313 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:45:39,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:45:39,918 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:45:52,231 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:45:53,445 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:45:53,446 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:45:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:53 BoogieIcfgContainer [2022-10-17 17:45:53,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:45:53,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:45:53,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:45:53,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:45:53,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:45:33" (1/3) ... [2022-10-17 17:45:53,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088f9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:53, skipping insertion in model container [2022-10-17 17:45:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (2/3) ... [2022-10-17 17:45:53,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088f9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:53, skipping insertion in model container [2022-10-17 17:45:53,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:53" (3/3) ... [2022-10-17 17:45:53,462 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--target--sbp--sbp_target.ko-entry_point.cil.out.i [2022-10-17 17:45:53,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:45:53,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:45:53,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:45:53,615 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;@3f93c9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:45:53,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:45:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 1533 states, 935 states have (on average 1.3540106951871658) internal successors, (1266), 973 states have internal predecessors, (1266), 487 states have call successors, (487), 110 states have call predecessors, (487), 109 states have return successors, (478), 463 states have call predecessors, (478), 478 states have call successors, (478) [2022-10-17 17:45:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-17 17:45:53,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:45:53,657 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:45:53,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:45:53,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:45:53,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1566206309, now seen corresponding path program 1 times [2022-10-17 17:45:53,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:45:53,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634648452] [2022-10-17 17:45:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:45:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:45:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:45:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-10-17 17:45:54,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:45:54,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634648452] [2022-10-17 17:45:54,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634648452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:45:54,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:45:54,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:45:54,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353426926] [2022-10-17 17:45:54,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:45:54,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:45:54,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:45:54,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:45:54,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:45:54,631 INFO L87 Difference]: Start difference. First operand has 1533 states, 935 states have (on average 1.3540106951871658) internal successors, (1266), 973 states have internal predecessors, (1266), 487 states have call successors, (487), 110 states have call predecessors, (487), 109 states have return successors, (478), 463 states have call predecessors, (478), 478 states have call successors, (478) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-17 17:45:57,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:45:59,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:46:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:46:00,351 INFO L93 Difference]: Finished difference Result 4485 states and 6685 transitions. [2022-10-17 17:46:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:46:00,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2022-10-17 17:46:00,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:46:00,395 INFO L225 Difference]: With dead ends: 4485 [2022-10-17 17:46:00,395 INFO L226 Difference]: Without dead ends: 2972 [2022-10-17 17:46:00,410 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 [2022-10-17 17:46:00,413 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 2181 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 4497 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-17 17:46:00,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 4497 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 367 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-10-17 17:46:00,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2022-10-17 17:46:00,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2967. [2022-10-17 17:46:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 1822 states have (on average 1.344676180021954) internal successors, (2450), 1878 states have internal predecessors, (2450), 928 states have call successors, (928), 217 states have call predecessors, (928), 216 states have return successors, (931), 895 states have call predecessors, (931), 927 states have call successors, (931) [2022-10-17 17:46:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 4309 transitions. [2022-10-17 17:46:00,711 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 4309 transitions. Word has length 181 [2022-10-17 17:46:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:46:00,713 INFO L495 AbstractCegarLoop]: Abstraction has 2967 states and 4309 transitions. [2022-10-17 17:46:00,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-17 17:46:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 4309 transitions. [2022-10-17 17:46:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 17:46:00,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:46:00,720 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:46:00,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:46:00,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:46:00,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:46:00,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1449257137, now seen corresponding path program 1 times [2022-10-17 17:46:00,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:46:00,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108165196] [2022-10-17 17:46:00,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:46:00,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:46:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:46:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-10-17 17:46:01,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:46:01,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108165196] [2022-10-17 17:46:01,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108165196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:46:01,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:46:01,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:46:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063109023] [2022-10-17 17:46:01,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:46:01,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:46:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:46:01,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:46:01,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:46:01,031 INFO L87 Difference]: Start difference. First operand 2967 states and 4309 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-17 17:46:03,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:46:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:46:05,198 INFO L93 Difference]: Finished difference Result 8746 states and 12691 transitions. [2022-10-17 17:46:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:46:05,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2022-10-17 17:46:05,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:46:05,247 INFO L225 Difference]: With dead ends: 8746 [2022-10-17 17:46:05,247 INFO L226 Difference]: Without dead ends: 5824 [2022-10-17 17:46:05,262 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 [2022-10-17 17:46:05,263 INFO L413 NwaCegarLoop]: 2539 mSDtfsCounter, 2143 mSDsluCounter, 2130 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-17 17:46:05,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 4495 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-10-17 17:46:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states.