./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--md--dm-crypt.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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/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 32df15a6fb2344f12dbd15cb857a8f1bfd9921862b8f7a0780cde9ec1e44a650 --- 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 17:42:28,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:42:28,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:42:28,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:42:28,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:42:28,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:42:28,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:42:28,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:42:28,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:42:28,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:42:28,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:42:28,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:42:28,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:42:28,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:42:28,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:42:28,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:42:28,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:42:28,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:42:28,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:42:28,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:42:28,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:42:28,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:42:28,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:42:28,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:42:28,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:42:28,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:42:28,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:42:28,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:42:28,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:42:28,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:42:28,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:42:28,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:42:28,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:42:28,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:42:28,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:42:28,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:42:28,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:42:28,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:42:28,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:42:28,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:42:28,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:42:28,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:42:28,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:42:28,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:42:28,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:42:28,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:42:28,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:42:28,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:42:28,981 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:42:28,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:42:28,981 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:42:28,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:42:28,982 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:42:28,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:42:28,983 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:42:28,983 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:42:28,983 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:42:28,983 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:42:28,984 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:42:28,984 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:42:28,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:42:28,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:42:28,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:42:28,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:42:28,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:42:28,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:42:28,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:42:28,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:42:28,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:42:28,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:42:28,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:42:28,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:28,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:42:28,987 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:42:28,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:42:28,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:42:28,988 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:42:28,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:42:28,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:42:28,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:42:28,989 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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32df15a6fb2344f12dbd15cb857a8f1bfd9921862b8f7a0780cde9ec1e44a650 [2022-10-17 17:42:29,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:42:29,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:42:29,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:42:29,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:42:29,269 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:42:29,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2022-10-17 17:42:29,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/data/ed855536a/a0c49f0cd11c4d498857ea73f4253b25/FLAG79f4e9c94 [2022-10-17 17:42:30,225 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:42:30,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2022-10-17 17:42:30,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/data/ed855536a/a0c49f0cd11c4d498857ea73f4253b25/FLAG79f4e9c94 [2022-10-17 17:42:30,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/data/ed855536a/a0c49f0cd11c4d498857ea73f4253b25 [2022-10-17 17:42:30,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:42:30,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:42:30,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:30,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:42:30,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:42:30,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:30" (1/1) ... [2022-10-17 17:42:30,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bebef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:30, skipping insertion in model container [2022-10-17 17:42:30,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:30" (1/1) ... [2022-10-17 17:42:30,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:42:30,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:42:33,194 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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i[276502,276515] [2022-10-17 17:42:33,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:33,352 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:42:33,825 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_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i[276502,276515] [2022-10-17 17:42:33,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:34,072 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:42:34,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34 WrapperNode [2022-10-17 17:42:34,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:34,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:34,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:42:34,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:42:34,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,436 INFO L138 Inliner]: procedures = 358, calls = 2024, calls flagged for inlining = 144, calls inlined = 139, statements flattened = 5503 [2022-10-17 17:42:34,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:34,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:42:34,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:42:34,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:42:34,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,669 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:42:34,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:42:34,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:42:34,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:42:34,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (1/1) ... [2022-10-17 17:42:34,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:34,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:42:34,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:42:34,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6edf3a27-a13a-4a95-9ca9-f5bbd0abf6f1/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:42:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 17:42:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 17:42:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_null_gen [2022-10-17 17:42:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_null_gen [2022-10-17 17:42:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 17:42:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:42:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:42:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-10-17 17:42:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-10-17 17:42:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:42:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:42:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:42:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:42:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2022-10-17 17:42:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2022-10-17 17:42:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt [2022-10-17 17:42:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt [2022-10-17 17:42:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_dtr [2022-10-17 17:42:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_dtr [2022-10-17 17:42:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iterate_devices [2022-10-17 17:42:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iterate_devices [2022-10-17 17:42:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure clone_init [2022-10-17 17:42:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure clone_init [2022-10-17 17:42:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 17:42:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 17:42:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:42:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:42:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:42:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:42:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-17 17:42:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-17 17:42:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_map [2022-10-17 17:42:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_map [2022-10-17 17:42:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2022-10-17 17:42:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2022-10-17 17:42:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-10-17 17:42:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-10-17 17:42:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_message [2022-10-17 17:42:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_message [2022-10-17 17:42:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_write_io_submit [2022-10-17 17:42:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_write_io_submit [2022-10-17 17:42:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_hash [2022-10-17 17:42:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_hash [2022-10-17 17:42:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2022-10-17 17:42:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2022-10-17 17:42:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-10-17 17:42:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-10-17 17:42:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:42:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:42:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:42:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:42:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-10-17 17:42:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-10-17 17:42:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-10-17 17:42:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-10-17 17:42:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-10-17 17:42:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-10-17 17:42:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_dec_pending [2022-10-17 17:42:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_dec_pending [2022-10-17 17:42:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:42:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:42:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_ctr [2022-10-17 17:42:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_ctr [2022-10-17 17:42:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:42:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:42:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_init [2022-10-17 17:42:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_init [2022-10-17 17:42:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:42:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:42:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_alignmask [2022-10-17 17:42:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_alignmask [2022-10-17 17:42:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_ctr [2022-10-17 17:42:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_ctr [2022-10-17 17:42:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_wipe [2022-10-17 17:42:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_wipe [2022-10-17 17:42:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:42:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:42:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_preresume [2022-10-17 17:42:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_preresume [2022-10-17 17:42:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_dtr [2022-10-17 17:42:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_dtr [2022-10-17 17:42:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_inc_pending [2022-10-17 17:42:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_inc_pending [2022-10-17 17:42:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_merge [2022-10-17 17:42:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_merge [2022-10-17 17:42:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:42:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:42:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:42:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-10-17 17:42:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-10-17 17:42:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-10-17 17:42:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-10-17 17:42:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_xor [2022-10-17 17:42:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_xor [2022-10-17 17:42:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2022-10-17 17:42:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2022-10-17 17:42:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:42:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_ivsize [2022-10-17 17:42:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_ivsize [2022-10-17 17:42:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-17 17:42:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-17 17:42:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_alg [2022-10-17 17:42:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_alg [2022-10-17 17:42:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 17:42:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 17:42:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_tfms [2022-10-17 17:42:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_tfms [2022-10-17 17:42:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-10-17 17:42:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-10-17 17:42:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_dtr [2022-10-17 17:42:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_dtr [2022-10-17 17:42:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:42:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:42:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:42:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:42:34,842 INFO L130 BoogieDeclarations]: Found specification of procedure any_tfm [2022-10-17 17:42:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure any_tfm [2022-10-17 17:42:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_dtr [2022-10-17 17:42:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_dtr [2022-10-17 17:42:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_tfm [2022-10-17 17:42:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_tfm [2022-10-17 17:42:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_queue_crypt [2022-10-17 17:42:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_queue_crypt [2022-10-17 17:42:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_postsuspend [2022-10-17 17:42:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_postsuspend [2022-10-17 17:42:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_init [2022-10-17 17:42:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_init [2022-10-17 17:42:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-10-17 17:42:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-10-17 17:42:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:42:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-10-17 17:42:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-10-17 17:42:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_digestsize [2022-10-17 17:42:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_digestsize [2022-10-17 17:42:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_plain_gen [2022-10-17 17:42:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_plain_gen [2022-10-17 17:42:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:42:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_descsize [2022-10-17 17:42:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_descsize [2022-10-17 17:42:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_ctr [2022-10-17 17:42:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_ctr [2022-10-17 17:42:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_tfm [2022-10-17 17:42:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_tfm [2022-10-17 17:42:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 17:42:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 17:42:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:42:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:42:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_init [2022-10-17 17:42:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_init [2022-10-17 17:42:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_set_key [2022-10-17 17:42:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_set_key [2022-10-17 17:42:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-10-17 17:42:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_req [2022-10-17 17:42:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_req [2022-10-17 17:42:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_ctr [2022-10-17 17:42:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_ctr [2022-10-17 17:42:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure iv_of_dmreq [2022-10-17 17:42:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iv_of_dmreq [2022-10-17 17:42:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-17 17:42:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-17 17:42:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_wipe [2022-10-17 17:42:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_wipe [2022-10-17 17:42:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_post [2022-10-17 17:42:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_post [2022-10-17 17:42:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_shash [2022-10-17 17:42:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_shash [2022-10-17 17:42:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:42:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_gen [2022-10-17 17:42:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_gen [2022-10-17 17:42:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_io_read [2022-10-17 17:42:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_io_read [2022-10-17 17:42:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-10-17 17:42:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-10-17 17:42:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_buffer_pages [2022-10-17 17:42:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_buffer_pages [2022-10-17 17:42:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:42:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_crt [2022-10-17 17:42:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_crt [2022-10-17 17:42:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_crt [2022-10-17 17:42:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_crt [2022-10-17 17:42:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2022-10-17 17:42:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2022-10-17 17:42:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_wipe [2022-10-17 17:42:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_wipe [2022-10-17 17:42:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_dtr [2022-10-17 17:42:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_dtr [2022-10-17 17:42:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_setkey [2022-10-17 17:42:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_setkey [2022-10-17 17:42:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:42:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_shash [2022-10-17 17:42:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_shash [2022-10-17 17:42:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_one [2022-10-17 17:42:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_one [2022-10-17 17:42:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2022-10-17 17:42:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2022-10-17 17:42:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure kzfree [2022-10-17 17:42:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kzfree [2022-10-17 17:42:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:42:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:42:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:42:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:42:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:42:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:42:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:42:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:42:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2022-10-17 17:42:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2022-10-17 17:42:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:42:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_post [2022-10-17 17:42:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_post [2022-10-17 17:42:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_base [2022-10-17 17:42:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_base [2022-10-17 17:42:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 17:42:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 17:42:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:42:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:42:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_setkey_allcpus [2022-10-17 17:42:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_setkey_allcpus [2022-10-17 17:42:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:42:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:42:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_read_done [2022-10-17 17:42:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_read_done [2022-10-17 17:42:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:42:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-10-17 17:42:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-10-17 17:42:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:42:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:42:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_plain64_gen [2022-10-17 17:42:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_plain64_gen [2022-10-17 17:42:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_cipher [2022-10-17 17:42:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_cipher [2022-10-17 17:42:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:42:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 17:42:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 17:42:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:42:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_gen [2022-10-17 17:42:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_gen [2022-10-17 17:42:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:42:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_status [2022-10-17 17:42:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_status [2022-10-17 17:42:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:42:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:42:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 17:42:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 17:42:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-10-17 17:42:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-10-17 17:42:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:42:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:42:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_convert_init [2022-10-17 17:42:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_convert_init [2022-10-17 17:42:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 17:42:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 17:42:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_convert [2022-10-17 17:42:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_convert [2022-10-17 17:42:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:42:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:42:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_whitening [2022-10-17 17:42:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_whitening [2022-10-17 17:42:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_gen [2022-10-17 17:42:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_gen [2022-10-17 17:42:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-10-17 17:42:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-10-17 17:42:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-10-17 17:42:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-10-17 17:42:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure dmreq_of_req [2022-10-17 17:42:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dmreq_of_req [2022-10-17 17:42:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_init [2022-10-17 17:42:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_init [2022-10-17 17:42:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-10-17 17:42:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-10-17 17:42:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-17 17:42:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-17 17:42:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_alg_blocksize [2022-10-17 17:42:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_alg_blocksize [2022-10-17 17:42:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_update [2022-10-17 17:42:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_update [2022-10-17 17:42:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-10-17 17:42:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-10-17 17:42:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 17:42:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 17:42:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-10-17 17:42:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-10-17 17:42:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:42:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:42:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2022-10-17 17:42:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2022-10-17 17:42:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_resume [2022-10-17 17:42:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_resume [2022-10-17 17:42:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:42:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_io_read_work [2022-10-17 17:42:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_io_read_work [2022-10-17 17:42:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-17 17:42:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-17 17:42:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_gen [2022-10-17 17:42:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_gen [2022-10-17 17:42:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:42:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:42:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:42:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:42:35,924 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:42:35,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:42:36,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:42:40,238 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:42:41,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:42:41,943 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:42:41,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:41 BoogieIcfgContainer [2022-10-17 17:42:41,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:42:41,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:42:41,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:42:41,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:42:41,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:42:30" (1/3) ... [2022-10-17 17:42:41,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfea302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:41, skipping insertion in model container [2022-10-17 17:42:41,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:34" (2/3) ... [2022-10-17 17:42:41,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfea302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:41, skipping insertion in model container [2022-10-17 17:42:41,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:41" (3/3) ... [2022-10-17 17:42:41,962 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2022-10-17 17:42:41,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:42:41,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:42:42,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:42:42,090 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;@702de479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:42:42,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:42:42,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 1800 states, 1118 states have (on average 1.3568872987477638) internal successors, (1517), 1158 states have internal predecessors, (1517), 541 states have call successors, (541), 140 states have call predecessors, (541), 139 states have return successors, (529), 519 states have call predecessors, (529), 529 states have call successors, (529) [2022-10-17 17:42:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-10-17 17:42:42,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:42,132 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:42:42,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:42,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash 693982651, now seen corresponding path program 1 times [2022-10-17 17:42:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:42,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659486851] [2022-10-17 17:42:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:42,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5107 trivial. 0 not checked. [2022-10-17 17:42:43,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:43,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659486851] [2022-10-17 17:42:43,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659486851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:43,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:43,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:43,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439919684] [2022-10-17 17:42:43,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:43,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:43,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:43,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:43,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:43,599 INFO L87 Difference]: Start difference. First operand has 1800 states, 1118 states have (on average 1.3568872987477638) internal successors, (1517), 1158 states have internal predecessors, (1517), 541 states have call successors, (541), 140 states have call predecessors, (541), 139 states have return successors, (529), 519 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-10-17 17:42:45,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:42:47,848 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 17:42:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:49,740 INFO L93 Difference]: Finished difference Result 4645 states and 6698 transitions. [2022-10-17 17:42:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:42:49,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 462 [2022-10-17 17:42:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:49,795 INFO L225 Difference]: With dead ends: 4645 [2022-10-17 17:42:49,795 INFO L226 Difference]: Without dead ends: 2883 [2022-10-17 17:42:49,813 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 17:42:49,817 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 1642 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 4829 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:49,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 4829 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 555 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-10-17 17:42:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2022-10-17 17:42:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2878. [2022-10-17 17:42:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2878 states, 1796 states have (on average 1.3301781737193763) internal successors, (2389), 1831 states have internal predecessors, (2389), 834 states have call successors, (834), 248 states have call predecessors, (834), 247 states have return successors, (833), 821 states have call predecessors, (833), 833 states have call successors, (833) [2022-10-17 17:42:50,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 4056 transitions. [2022-10-17 17:42:50,101 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 4056 transitions. Word has length 462 [2022-10-17 17:42:50,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:50,109 INFO L495 AbstractCegarLoop]: Abstraction has 2878 states and 4056 transitions. [2022-10-17 17:42:50,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-10-17 17:42:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 4056 transitions. [2022-10-17 17:42:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-10-17 17:42:50,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:50,136 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:42:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:42:50,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:42:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:50,138 INFO L85 PathProgramCache]: Analyzing trace with hash 7224709, now seen corresponding path program 1 times [2022-10-17 17:42:50,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:50,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932615068] [2022-10-17 17:42:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:50,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5107 trivial. 0 not checked. [2022-10-17 17:42:51,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:51,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932615068] [2022-10-17 17:42:51,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932615068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:51,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:51,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:51,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327715109] [2022-10-17 17:42:51,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:51,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:51,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:51,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:51,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:51,670 INFO L87 Difference]: Start difference. First operand 2878 states and 4056 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-10-17 17:42:53,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:42:55,465 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 17:42:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:56,435 INFO L93 Difference]: Finished difference Result 2884 states and 4059 transitions. [2022-10-17 17:42:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:42:56,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 492 [2022-10-17 17:42:56,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:56,439 INFO L225 Difference]: With dead ends: 2884 [2022-10-17 17:42:56,439 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 17:42:56,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:42:56,473 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 2313 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2314 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:56,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2314 Valid, 2242 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-10-17 17:42:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 17:42:56,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 17:42:56,480 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) [2022-10-17 17:42:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 17:42:56,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2022-10-17 17:42:56,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:56,494 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 17:42:56,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-10-17 17:42:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 17:42:56,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:42:56,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 17:42:56,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:42:56,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.