./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.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_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/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_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/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_802e3287-968d-492a-8866-9506a92d6657/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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- 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 17:37:57,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:57,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:57,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:57,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:57,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:57,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:57,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:57,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:57,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:57,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:57,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:57,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:57,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:57,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:57,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:57,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:57,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:57,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:57,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:57,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:58,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:58,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:58,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:58,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:58,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:58,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:58,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:58,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:58,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:58,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:58,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:58,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:58,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:58,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:58,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:58,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:58,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:58,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:58,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:58,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:58,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:37:58,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:58,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:58,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:58,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:58,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:58,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:58,089 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:58,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:58,089 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:58,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:37:58,091 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:58,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:58,092 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:37:58,092 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:37:58,092 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:58,093 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:37:58,093 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:37:58,093 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:37:58,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:58,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:58,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:58,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:37:58,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:58,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:37:58,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:37:58,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:58,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:37:58,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:58,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:58,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:58,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:58,110 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:37:58,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:58,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:37:58,110 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:37:58,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:37:58,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:37:58,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:58,112 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_802e3287-968d-492a-8866-9506a92d6657/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2022-10-17 17:37:58,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:58,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:58,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:58,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:58,537 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:58,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 17:37:58,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/data/0226f4c9e/14e4b0ac9fa9430fafd30e05944502af/FLAG5cef91ea2 [2022-10-17 17:37:59,788 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:59,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 17:37:59,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/data/0226f4c9e/14e4b0ac9fa9430fafd30e05944502af/FLAG5cef91ea2 [2022-10-17 17:38:00,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/data/0226f4c9e/14e4b0ac9fa9430fafd30e05944502af [2022-10-17 17:38:00,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:38:00,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:38:00,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:38:00,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:38:00,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:38:00,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:38:00" (1/1) ... [2022-10-17 17:38:00,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abf6b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:00, skipping insertion in model container [2022-10-17 17:38:00,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:38:00" (1/1) ... [2022-10-17 17:38:00,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:38:00,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:38:04,333 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_802e3287-968d-492a-8866-9506a92d6657/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-10-17 17:38:04,336 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_802e3287-968d-492a-8866-9506a92d6657/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-10-17 17:38:04,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:38:04,394 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:38:05,545 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_802e3287-968d-492a-8866-9506a92d6657/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-10-17 17:38:05,545 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_802e3287-968d-492a-8866-9506a92d6657/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-10-17 17:38:05,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:38:05,833 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:38:05,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05 WrapperNode [2022-10-17 17:38:05,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:38:05,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:38:05,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:38:05,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:38:05,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:05,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,195 INFO L138 Inliner]: procedures = 493, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5206 [2022-10-17 17:38:06,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:38:06,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:38:06,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:38:06,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:38:06,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:38:06,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:38:06,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:38:06,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:38:06,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (1/1) ... [2022-10-17 17:38:06,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:38:06,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:38:06,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:38:06,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_802e3287-968d-492a-8866-9506a92d6657/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:38:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-10-17 17:38:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-10-17 17:38:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 17:38:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 17:38:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-10-17 17:38:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-10-17 17:38:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:38:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:38:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-10-17 17:38:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-10-17 17:38:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-10-17 17:38:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-10-17 17:38:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 17:38:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 17:38:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 17:38:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 17:38:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:38:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:38:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-10-17 17:38:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-10-17 17:38:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-10-17 17:38:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-10-17 17:38:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-10-17 17:38:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-10-17 17:38:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-10-17 17:38:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-10-17 17:38:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-10-17 17:38:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-10-17 17:38:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 17:38:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 17:38:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-10-17 17:38:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-10-17 17:38:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-10-17 17:38:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-10-17 17:38:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-10-17 17:38:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-10-17 17:38:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-10-17 17:38:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-10-17 17:38:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-10-17 17:38:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-10-17 17:38:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 17:38:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 17:38:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:38:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:38:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-10-17 17:38:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-10-17 17:38:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-10-17 17:38:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-10-17 17:38:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:38:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 17:38:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 17:38:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:38:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:38:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:38:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 17:38:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 17:38:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-10-17 17:38:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-10-17 17:38:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-10-17 17:38:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-10-17 17:38:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:38:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 17:38:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 17:38:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-10-17 17:38:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-10-17 17:38:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:38:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-17 17:38:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-17 17:38:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 17:38:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 17:38:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 17:38:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 17:38:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-10-17 17:38:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-10-17 17:38:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 17:38:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 17:38:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 17:38:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 17:38:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:38:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:38:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-10-17 17:38:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-10-17 17:38:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-10-17 17:38:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-10-17 17:38:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 17:38:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 17:38:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 17:38:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 17:38:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-10-17 17:38:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-10-17 17:38:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-10-17 17:38:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-10-17 17:38:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-17 17:38:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-17 17:38:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-10-17 17:38:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-10-17 17:38:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:38:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 17:38:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 17:38:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 17:38:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 17:38:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:38:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 17:38:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 17:38:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:38:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:38:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-10-17 17:38:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-10-17 17:38:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:38:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-10-17 17:38:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-10-17 17:38:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:38:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:38:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 17:38:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 17:38:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:38:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:38:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 17:38:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 17:38:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 17:38:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 17:38:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-10-17 17:38:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-10-17 17:38:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 17:38:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 17:38:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-10-17 17:38:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-10-17 17:38:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:38:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:38:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 17:38:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 17:38:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-10-17 17:38:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-10-17 17:38:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-10-17 17:38:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-10-17 17:38:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-10-17 17:38:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-10-17 17:38:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-10-17 17:38:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-10-17 17:38:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-17 17:38:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-17 17:38:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:38:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:38:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-10-17 17:38:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-10-17 17:38:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:38:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:38:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:38:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:38:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-10-17 17:38:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-10-17 17:38:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 17:38:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 17:38:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-10-17 17:38:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-10-17 17:38:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-10-17 17:38:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-10-17 17:38:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-10-17 17:38:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-10-17 17:38:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:38:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:38:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-10-17 17:38:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-10-17 17:38:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-10-17 17:38:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-10-17 17:38:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 17:38:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 17:38:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-10-17 17:38:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-10-17 17:38:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-10-17 17:38:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-10-17 17:38:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-10-17 17:38:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-10-17 17:38:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:38:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:38:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:38:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-10-17 17:38:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-10-17 17:38:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-10-17 17:38:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-10-17 17:38:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:38:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 17:38:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 17:38:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-10-17 17:38:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-10-17 17:38:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:38:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 17:38:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 17:38:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-10-17 17:38:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-10-17 17:38:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-10-17 17:38:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-10-17 17:38:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 17:38:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 17:38:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-10-17 17:38:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-10-17 17:38:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-10-17 17:38:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-10-17 17:38:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 17:38:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 17:38:06,680 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-17 17:38:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-17 17:38:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-10-17 17:38:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-10-17 17:38:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-10-17 17:38:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-10-17 17:38:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:38:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:38:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 17:38:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 17:38:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:38:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:38:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-10-17 17:38:06,682 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-10-17 17:38:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-10-17 17:38:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-10-17 17:38:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:38:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:38:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-10-17 17:38:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-10-17 17:38:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:38:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 17:38:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 17:38:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:38:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:38:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-10-17 17:38:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-10-17 17:38:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-10-17 17:38:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-10-17 17:38:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-10-17 17:38:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-10-17 17:38:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-10-17 17:38:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-10-17 17:38:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 17:38:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 17:38:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-10-17 17:38:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-10-17 17:38:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-10-17 17:38:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-10-17 17:38:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 17:38:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 17:38:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-10-17 17:38:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-10-17 17:38:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-10-17 17:38:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-10-17 17:38:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-17 17:38:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-17 17:38:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:38:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 17:38:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 17:38:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 17:38:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 17:38:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 17:38:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 17:38:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-10-17 17:38:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-10-17 17:38:07,780 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:38:07,789 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:38:08,274 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:38:10,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1262#1.base, #t~mem1262#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-10-17 17:38:10,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1262#1.base, #t~mem1262#1.offset, 129, 0); srcloc: null [2022-10-17 17:38:10,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1262#1.base, #t~mem1262#1.offset; [2022-10-17 17:38:15,378 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 17:38:15,549 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:38:17,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:38:17,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:38:17,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:17 BoogieIcfgContainer [2022-10-17 17:38:17,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:38:17,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:38:17,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:38:17,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:38:17,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:38:00" (1/3) ... [2022-10-17 17:38:17,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1466d850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:17, skipping insertion in model container [2022-10-17 17:38:17,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:38:05" (2/3) ... [2022-10-17 17:38:17,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1466d850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:17, skipping insertion in model container [2022-10-17 17:38:17,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:17" (3/3) ... [2022-10-17 17:38:17,946 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-10-17 17:38:17,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:38:17,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:38:18,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:38:18,105 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;@5e109fc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:38:18,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:38:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2022-10-17 17:38:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-17 17:38:18,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:38:18,178 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:18,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:38:18,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:38:18,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1542376040, now seen corresponding path program 1 times [2022-10-17 17:38:18,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:38:18,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080115981] [2022-10-17 17:38:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:38:18,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:38:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:38:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-10-17 17:38:19,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:38:19,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080115981] [2022-10-17 17:38:19,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080115981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:38:19,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:38:19,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:38:19,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355376878] [2022-10-17 17:38:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:38:19,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:38:19,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:38:19,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:38:19,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:38:19,419 INFO L87 Difference]: Start difference. First operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 17:38:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:38:23,531 INFO L93 Difference]: Finished difference Result 5785 states and 8722 transitions. [2022-10-17 17:38:23,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:38:23,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-10-17 17:38:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:38:23,627 INFO L225 Difference]: With dead ends: 5785 [2022-10-17 17:38:23,628 INFO L226 Difference]: Without dead ends: 3746 [2022-10-17 17:38:23,665 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 17:38:23,670 INFO L413 NwaCegarLoop]: 3403 mSDtfsCounter, 2683 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 6003 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-17 17:38:23,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 6003 Invalid, 790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-17 17:38:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-10-17 17:38:24,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3743. [2022-10-17 17:38:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2102 states have (on average 1.30732635585157) internal successors, (2748), 2233 states have internal predecessors, (2748), 1413 states have call successors, (1413), 227 states have call predecessors, (1413), 227 states have return successors, (1413), 1327 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-10-17 17:38:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5574 transitions. [2022-10-17 17:38:24,184 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5574 transitions. Word has length 189 [2022-10-17 17:38:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:38:24,189 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5574 transitions. [2022-10-17 17:38:24,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 17:38:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5574 transitions. [2022-10-17 17:38:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-17 17:38:24,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:38:24,237 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:24,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:38:24,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:38:24,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:38:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash -734957279, now seen corresponding path program 1 times [2022-10-17 17:38:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:38:24,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890064652] [2022-10-17 17:38:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:38:24,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:38:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:38:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2022-10-17 17:38:24,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:38:24,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890064652] [2022-10-17 17:38:24,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890064652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:38:24,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:38:24,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:38:24,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150909161] [2022-10-17 17:38:24,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:38:24,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:38:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:38:24,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:38:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:38:24,763 INFO L87 Difference]: Start difference. First operand 3743 states and 5574 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30)