./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--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2574bb2da6c0c601906b941691f4c083ed09b2a5e74baf39cfe63fadbf571c0e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:30:34,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:30:34,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:30:34,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:30:34,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:30:34,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:30:34,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:30:34,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:30:34,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:30:34,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:30:34,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:30:34,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:30:34,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:30:34,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:30:34,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:30:34,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:30:34,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:30:34,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:30:34,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:30:34,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:30:34,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:30:34,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:30:34,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:30:34,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:30:34,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:30:34,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:30:34,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:30:34,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:30:34,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:30:34,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:30:34,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:30:34,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:30:34,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:30:34,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:30:34,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:30:34,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:30:34,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:30:34,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:30:34,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:30:34,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:30:34,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:30:34,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:30:34,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:30:34,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:30:34,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:30:34,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:30:34,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:30:34,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:30:34,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:30:34,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:30:34,281 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:30:34,282 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:30:34,282 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:30:34,282 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:30:34,282 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:30:34,282 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:30:34,283 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:30:34,283 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:30:34,283 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:30:34,283 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:30:34,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:30:34,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:30:34,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:30:34,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:30:34,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:30:34,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:30:34,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:30:34,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:30:34,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:30:34,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:30:34,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:30:34,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:30:34,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:30:34,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:30:34,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:30:34,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:30:34,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:30:34,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:30:34,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:30:34,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:30:34,300 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_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2574bb2da6c0c601906b941691f4c083ed09b2a5e74baf39cfe63fadbf571c0e [2022-11-19 08:30:34,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:30:34,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:30:34,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:30:34,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:30:34,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:30:34,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2022-11-19 08:30:34,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/data/5f3b78308/0a34a9f4e1504b29b5aa933fcbb6defb/FLAG97de95f6c [2022-11-19 08:30:35,621 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:30:35,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2022-11-19 08:30:35,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/data/5f3b78308/0a34a9f4e1504b29b5aa933fcbb6defb/FLAG97de95f6c [2022-11-19 08:30:35,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/data/5f3b78308/0a34a9f4e1504b29b5aa933fcbb6defb [2022-11-19 08:30:35,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:30:35,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:30:35,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:30:35,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:30:35,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:30:35,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:30:35" (1/1) ... [2022-11-19 08:30:35,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@accb814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:35, skipping insertion in model container [2022-11-19 08:30:35,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:30:35" (1/1) ... [2022-11-19 08:30:36,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:30:36,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:30:39,004 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2022-11-19 08:30:39,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:30:39,199 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:30:39,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2022-11-19 08:30:39,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:30:39,953 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:30:39,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39 WrapperNode [2022-11-19 08:30:39,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:30:39,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:30:39,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:30:39,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:30:39,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,295 INFO L138 Inliner]: procedures = 408, calls = 2556, calls flagged for inlining = 211, calls inlined = 174, statements flattened = 5366 [2022-11-19 08:30:40,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:30:40,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:30:40,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:30:40,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:30:40,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:30:40,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:30:40,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:30:40,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:30:40,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (1/1) ... [2022-11-19 08:30:40,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:30:40,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:30:40,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:30:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccedea3c-93ca-4ca0-8e34-7ede828b7f0e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:30:40,746 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_slow_event_task [2022-11-19 08:30:40,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_slow_event_task [2022-11-19 08:30:40,746 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_rbufs [2022-11-19 08:30:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_rbufs [2022-11-19 08:30:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:30:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:30:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:30:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:30:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:30:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:30:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:30:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:30:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:30:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:30:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:30:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:30:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2022-11-19 08:30:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2022-11-19 08:30:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2022-11-19 08:30:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2022-11-19 08:30:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-19 08:30:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-19 08:30:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 08:30:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 08:30:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:30:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:30:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 08:30:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 08:30:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:30:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:30:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-19 08:30:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-19 08:30:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2022-11-19 08:30:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2022-11-19 08:30:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-19 08:30:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-19 08:30:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2022-11-19 08:30:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2022-11-19 08:30:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 08:30:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 08:30:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:30:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:30:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:30:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:30:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 08:30:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 08:30:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:30:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:30:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:30:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:30:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:30:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 08:30:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 08:30:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2022-11-19 08:30:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2022-11-19 08:30:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-19 08:30:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-19 08:30:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:30:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:30:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:30:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:30:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 08:30:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 08:30:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_kill_vid [2022-11-19 08:30:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_kill_vid [2022-11-19 08:30:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:30:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:30:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 08:30:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 08:30:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:30:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_nic_store [2022-11-19 08:30:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_nic_store [2022-11-19 08:30:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2022-11-19 08:30:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2022-11-19 08:30:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:30:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:30:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:30:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:30:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:30:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2022-11-19 08:30:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2022-11-19 08:30:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:30:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:30:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2022-11-19 08:30:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2022-11-19 08:30:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:30:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:30:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:30:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 08:30:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 08:30:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-19 08:30:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-19 08:30:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:30:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-19 08:30:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-19 08:30:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:30:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:30:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:30:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_task [2022-11-19 08:30:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_task [2022-11-19 08:30:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:30:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-19 08:30:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-19 08:30:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 08:30:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 08:30:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2022-11-19 08:30:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2022-11-19 08:30:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2022-11-19 08:30:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2022-11-19 08:30:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-19 08:30:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-19 08:30:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 08:30:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 08:30:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 08:30:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 08:30:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2022-11-19 08:30:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2022-11-19 08:30:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 08:30:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 08:30:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:30:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:30:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2022-11-19 08:30:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2022-11-19 08:30:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2022-11-19 08:30:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2022-11-19 08:30:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-19 08:30:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-19 08:30:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:30:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:30:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 08:30:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 08:30:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:30:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:30:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_ring [2022-11-19 08:30:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ring [2022-11-19 08:30:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_platform [2022-11-19 08:30:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_platform [2022-11-19 08:30:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:30:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:30:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:30:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown_pci [2022-11-19 08:30:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown_pci [2022-11-19 08:30:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one_platform [2022-11-19 08:30:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one_platform [2022-11-19 08:30:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 08:30:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2022-11-19 08:30:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2022-11-19 08:30:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:30:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:30:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:30:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:30:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:30:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:30:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_queue_full [2022-11-19 08:30:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_queue_full [2022-11-19 08:30:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2022-11-19 08:30:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2022-11-19 08:30:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:30:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:30:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-11-19 08:30:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-11-19 08:30:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 08:30:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 08:30:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2022-11-19 08:30:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2022-11-19 08:30:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_add_vid [2022-11-19 08:30:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_add_vid [2022-11-19 08:30:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 08:30:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 08:30:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:30:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:30:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:30:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:30:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:30:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:30:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:30:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:30:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_common [2022-11-19 08:30:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_common [2022-11-19 08:30:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2022-11-19 08:30:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2022-11-19 08:30:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 08:30:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 08:30:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:30:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-19 08:30:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-19 08:30:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-19 08:30:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-19 08:30:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_init [2022-11-19 08:30:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_init [2022-11-19 08:30:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2022-11-19 08:30:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2022-11-19 08:30:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2022-11-19 08:30:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2022-11-19 08:30:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2022-11-19 08:30:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2022-11-19 08:30:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 08:30:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 08:30:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 08:30:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 08:30:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:30:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:30:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:30:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:30:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-19 08:30:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-19 08:30:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 08:30:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 08:30:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-19 08:30:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-19 08:30:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:30:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:30:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:30:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:30:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2022-11-19 08:30:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2022-11-19 08:30:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2022-11-19 08:30:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2022-11-19 08:30:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2022-11-19 08:30:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2022-11-19 08:30:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:30:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:30:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2022-11-19 08:30:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2022-11-19 08:30:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2022-11-19 08:30:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2022-11-19 08:30:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:30:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-19 08:30:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-19 08:30:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 08:30:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 08:30:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 08:30:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 08:30:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:30:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:30:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:30:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:30:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:30:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:30:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2022-11-19 08:30:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2022-11-19 08:30:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2022-11-19 08:30:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2022-11-19 08:30:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2022-11-19 08:30:40,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2022-11-19 08:30:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2022-11-19 08:30:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2022-11-19 08:30:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 08:30:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 08:30:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_stats64 [2022-11-19 08:30:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_stats64 [2022-11-19 08:30:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 08:30:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 08:30:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 08:30:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 08:30:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 08:30:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 08:30:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-19 08:30:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-19 08:30:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2022-11-19 08:30:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2022-11-19 08:30:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2022-11-19 08:30:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2022-11-19 08:30:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:30:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:30:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:30:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:30:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-19 08:30:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-19 08:30:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:30:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2022-11-19 08:30:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2022-11-19 08:30:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2022-11-19 08:30:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2022-11-19 08:30:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 08:30:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 08:30:41,644 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:30:41,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:30:42,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:45:35,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:45:40,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:45:40,059 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:45:40,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:45:40 BoogieIcfgContainer [2022-11-19 08:45:40,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:45:40,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:45:40,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:45:40,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:45:40,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:30:35" (1/3) ... [2022-11-19 08:45:40,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ee72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:45:40, skipping insertion in model container [2022-11-19 08:45:40,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:30:39" (2/3) ... [2022-11-19 08:45:40,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331ee72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:45:40, skipping insertion in model container [2022-11-19 08:45:40,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:45:40" (3/3) ... [2022-11-19 08:45:40,075 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2022-11-19 08:45:40,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:45:40,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:45:40,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:45:40,224 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;@45649eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:45:40,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:45:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 1514 states, 873 states have (on average 1.3287514318442153) internal successors, (1160), 922 states have internal predecessors, (1160), 511 states have call successors, (511), 130 states have call predecessors, (511), 129 states have return successors, (500), 493 states have call predecessors, (500), 500 states have call successors, (500) [2022-11-19 08:45:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-19 08:45:40,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:45:40,280 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:45:40,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:45:40,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:45:40,286 INFO L85 PathProgramCache]: Analyzing trace with hash 915101163, now seen corresponding path program 1 times [2022-11-19 08:45:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:45:40,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272089206] [2022-11-19 08:45:40,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:45:40,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:45:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:45:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-19 08:45:43,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:45:43,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272089206] [2022-11-19 08:45:43,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272089206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:45:43,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:45:43,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:45:43,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797204052] [2022-11-19 08:45:43,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:45:43,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:45:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:45:43,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:45:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:45:43,401 INFO L87 Difference]: Start difference. First operand has 1514 states, 873 states have (on average 1.3287514318442153) internal successors, (1160), 922 states have internal predecessors, (1160), 511 states have call successors, (511), 130 states have call predecessors, (511), 129 states have return successors, (500), 493 states have call predecessors, (500), 500 states have call successors, (500) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:45:45,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:45:49,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:45:51,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:45:51,686 INFO L93 Difference]: Finished difference Result 3916 states and 5627 transitions. [2022-11-19 08:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:45:51,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 196 [2022-11-19 08:45:51,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:45:51,723 INFO L225 Difference]: With dead ends: 3916 [2022-11-19 08:45:51,723 INFO L226 Difference]: Without dead ends: 2400 [2022-11-19 08:45:51,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:45:51,744 INFO L413 NwaCegarLoop]: 2219 mSDtfsCounter, 1318 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 4040 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:45:51,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 4040 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 556 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 08:45:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2022-11-19 08:45:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2374. [2022-11-19 08:45:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 1390 states have (on average 1.3201438848920863) internal successors, (1835), 1457 states have internal predecessors, (1835), 772 states have call successors, (772), 213 states have call predecessors, (772), 211 states have return successors, (777), 754 states have call predecessors, (777), 771 states have call successors, (777) [2022-11-19 08:45:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3384 transitions. [2022-11-19 08:45:52,010 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3384 transitions. Word has length 196 [2022-11-19 08:45:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:45:52,013 INFO L495 AbstractCegarLoop]: Abstraction has 2374 states and 3384 transitions. [2022-11-19 08:45:52,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:45:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3384 transitions. [2022-11-19 08:45:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-11-19 08:45:52,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:45:52,053 INFO L195 NwaCegarLoop]: trace histogram [25, 11, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:45:52,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:45:52,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:45:52,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:45:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1993363157, now seen corresponding path program 1 times [2022-11-19 08:45:52,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:45:52,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631651027] [2022-11-19 08:45:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:45:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:45:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:45:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1411 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-11-19 08:45:55,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:45:55,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631651027] [2022-11-19 08:45:55,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631651027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:45:55,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:45:55,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:45:55,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167554157] [2022-11-19 08:45:55,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:45:55,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:45:55,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:45:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:45:55,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:45:55,447 INFO L87 Difference]: Start difference. First operand 2374 states and 3384 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72)