./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-ethernet-fealnx.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_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/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_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/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_eff2a169-f6c5-4033-91a8-ab52088d35f3/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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:45:32,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:45:32,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:45:32,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:45:32,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:45:32,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:45:32,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:45:32,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:45:32,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:45:32,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:45:32,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:45:32,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:45:32,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:45:32,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:45:32,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:45:32,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:45:32,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:45:32,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:45:32,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:45:32,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:45:32,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:45:32,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:45:32,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:45:32,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:45:32,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:45:32,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:45:32,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:45:32,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:45:32,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:45:32,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:45:32,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:45:32,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:45:32,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:45:32,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:45:32,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:45:32,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:45:32,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:45:32,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:45:32,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:45:32,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:45:32,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:45:32,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:45:32,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:45:32,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:45:32,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:45:32,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:45:32,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:45:32,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:45:32,204 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:45:32,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:45:32,204 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:45:32,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:45:32,205 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:45:32,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:45:32,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:45:32,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:45:32,206 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:45:32,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:45:32,207 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:45:32,207 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:45:32,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:45:32,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:45:32,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:45:32,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:45:32,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:45:32,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:45:32,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:45:32,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:45:32,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:45:32,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:45:32,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:45:32,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:32,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:45:32,213 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:45:32,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:45:32,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:45:32,213 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:45:32,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:45:32,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:45:32,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:45:32,214 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_eff2a169-f6c5-4033-91a8-ab52088d35f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2022-10-17 17:45:32,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:45:32,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:45:32,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:45:32,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:45:32,519 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:45:32,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 17:45:32,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/data/e9f7d33fe/d64f2dcdc8bd47a295e66889266244ad/FLAGe3959f5e2 [2022-10-17 17:45:33,558 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:45:33,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 17:45:33,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/data/e9f7d33fe/d64f2dcdc8bd47a295e66889266244ad/FLAGe3959f5e2 [2022-10-17 17:45:33,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/data/e9f7d33fe/d64f2dcdc8bd47a295e66889266244ad [2022-10-17 17:45:33,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:45:33,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:45:33,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:33,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:45:33,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:45:33,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c43858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:33, skipping insertion in model container [2022-10-17 17:45:33,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:45:34,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:45:36,975 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_eff2a169-f6c5-4033-91a8-ab52088d35f3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-10-17 17:45:36,978 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_eff2a169-f6c5-4033-91a8-ab52088d35f3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-10-17 17:45:36,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:37,043 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:45:37,468 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_eff2a169-f6c5-4033-91a8-ab52088d35f3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2022-10-17 17:45:37,469 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_eff2a169-f6c5-4033-91a8-ab52088d35f3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2022-10-17 17:45:37,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:37,720 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:45:37,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37 WrapperNode [2022-10-17 17:45:37,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:37,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:37,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:45:37,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:45:37,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,084 INFO L138 Inliner]: procedures = 433, calls = 1883, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 4422 [2022-10-17 17:45:38,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:38,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:45:38,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:45:38,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:45:38,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:45:38,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:45:38,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:45:38,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:45:38,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff2a169-f6c5-4033-91a8-ab52088d35f3/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:45:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2022-10-17 17:45:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2022-10-17 17:45:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2022-10-17 17:45:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2022-10-17 17:45:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-17 17:45:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-17 17:45:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 17:45:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 17:45:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:45:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:45:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 17:45:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 17:45:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 17:45:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 17:45:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:45:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:45:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 17:45:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 17:45:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 17:45:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 17:45:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 17:45:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 17:45:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 17:45:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 17:45:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 17:45:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 17:45:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2022-10-17 17:45:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2022-10-17 17:45:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 17:45:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 17:45:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:45:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:45:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:45:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:45:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-10-17 17:45:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-10-17 17:45:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2022-10-17 17:45:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2022-10-17 17:45:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 17:45:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 17:45:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:45:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 17:45:38,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 17:45:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:45:38,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:45:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:45:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2022-10-17 17:45:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2022-10-17 17:45:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 17:45:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 17:45:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2022-10-17 17:45:38,506 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2022-10-17 17:45:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:45:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 17:45:38,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 17:45:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:45:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 17:45:38,507 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 17:45:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 17:45:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 17:45:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 17:45:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 17:45:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 17:45:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 17:45:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 17:45:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 17:45:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 17:45:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 17:45:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:45:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 17:45:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 17:45:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 17:45:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 17:45:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:45:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-10-17 17:45:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-10-17 17:45:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 17:45:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 17:45:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:45:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:45:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:45:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:45:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:45:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:45:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:45:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 17:45:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 17:45:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 17:45:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 17:45:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 17:45:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 17:45:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 17:45:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 17:45:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 17:45:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 17:45:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:45:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:45:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 17:45:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 17:45:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2022-10-17 17:45:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2022-10-17 17:45:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2022-10-17 17:45:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2022-10-17 17:45:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 17:45:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 17:45:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:45:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:45:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:45:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:45:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:45:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:45:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-10-17 17:45:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-10-17 17:45:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 17:45:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 17:45:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 17:45:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 17:45:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2022-10-17 17:45:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2022-10-17 17:45:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 17:45:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 17:45:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:45:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:45:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 17:45:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 17:45:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 17:45:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 17:45:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:45:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:45:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 17:45:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 17:45:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:45:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2022-10-17 17:45:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2022-10-17 17:45:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 17:45:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 17:45:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:45:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 17:45:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 17:45:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:45:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 17:45:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 17:45:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:45:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:45:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 17:45:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 17:45:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 17:45:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 17:45:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-10-17 17:45:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-10-17 17:45:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 17:45:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 17:45:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:45:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:45:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2022-10-17 17:45:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2022-10-17 17:45:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 17:45:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 17:45:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2022-10-17 17:45:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2022-10-17 17:45:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2022-10-17 17:45:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2022-10-17 17:45:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:45:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2022-10-17 17:45:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2022-10-17 17:45:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:45:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:45:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 17:45:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 17:45:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 17:45:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 17:45:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 17:45:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 17:45:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:45:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 17:45:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 17:45:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-10-17 17:45:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-10-17 17:45:39,484 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:45:39,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:45:40,507 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:45:43,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 17:45:43,467 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:45:45,487 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:45:45,487 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:45:45,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:45 BoogieIcfgContainer [2022-10-17 17:45:45,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:45:45,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:45:45,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:45:45,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:45:45,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:45:33" (1/3) ... [2022-10-17 17:45:45,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bab9d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:45, skipping insertion in model container [2022-10-17 17:45:45,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (2/3) ... [2022-10-17 17:45:45,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bab9d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:45, skipping insertion in model container [2022-10-17 17:45:45,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:45" (3/3) ... [2022-10-17 17:45:45,508 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 17:45:45,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:45:45,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:45:45,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:45:45,660 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;@bb26661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:45:45,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:45:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 1117 states, 645 states have (on average 1.296124031007752) internal successors, (836), 664 states have internal predecessors, (836), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) [2022-10-17 17:45:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 17:45:45,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:45:45,723 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2022-10-17 17:45:45,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:45:45,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:45:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash -486119752, now seen corresponding path program 1 times [2022-10-17 17:45:45,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:45:45,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237103396] [2022-10-17 17:45:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:45:45,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:45:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:45:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-10-17 17:45:46,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:45:46,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237103396] [2022-10-17 17:45:46,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237103396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:45:46,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:45:46,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:45:46,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763456658] [2022-10-17 17:45:46,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:45:46,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:45:46,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:45:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:45:46,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:45:46,820 INFO L87 Difference]: Start difference. First operand has 1117 states, 645 states have (on average 1.296124031007752) internal successors, (836), 664 states have internal predecessors, (836), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (384), 381 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 17:45:49,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:45:51,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:45:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:45:52,578 INFO L93 Difference]: Finished difference Result 3116 states and 4545 transitions. [2022-10-17 17:45:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:45:52,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2022-10-17 17:45:52,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:45:52,622 INFO L225 Difference]: With dead ends: 3116 [2022-10-17 17:45:52,622 INFO L226 Difference]: Without dead ends: 1913 [2022-10-17 17:45:52,636 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 17:45:52,640 INFO L413 NwaCegarLoop]: 1684 mSDtfsCounter, 1417 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-17 17:45:52,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 2923 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-10-17 17:45:52,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-10-17 17:45:52,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1909. [2022-10-17 17:45:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1138 states have (on average 1.2855887521968365) internal successors, (1463), 1174 states have internal predecessors, (1463), 621 states have call successors, (621), 151 states have call predecessors, (621), 149 states have return successors, (626), 610 states have call predecessors, (626), 621 states have call successors, (626) [2022-10-17 17:45:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2710 transitions. [2022-10-17 17:45:52,854 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2710 transitions. Word has length 147 [2022-10-17 17:45:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:45:52,855 INFO L495 AbstractCegarLoop]: Abstraction has 1909 states and 2710 transitions. [2022-10-17 17:45:52,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 17:45:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2710 transitions. [2022-10-17 17:45:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 17:45:52,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:45:52,866 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2022-10-17 17:45:52,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:45:52,867 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:45:52,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:45:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash 652097698, now seen corresponding path program 1 times [2022-10-17 17:45:52,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:45:52,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945059207] [2022-10-17 17:45:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:45:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:45:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:45:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-10-17 17:45:53,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:45:53,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945059207] [2022-10-17 17:45:53,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945059207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:45:53,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:45:53,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:45:53,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405828738] [2022-10-17 17:45:53,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:45:53,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:45:53,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:45:53,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:45:53,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:45:53,403 INFO L87 Difference]: Start difference. First operand 1909 states and 2710 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-17 17:45:55,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:45:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:45:58,561 INFO L93 Difference]: Finished difference Result 5044 states and 7155 transitions. [2022-10-17 17:45:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:45:58,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 150 [2022-10-17 17:45:58,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:45:58,592 INFO L225 Difference]: With dead ends: 5044 [2022-10-17 17:45:58,593 INFO L226 Difference]: Without dead ends: 3154 [2022-10-17 17:45:58,603 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 17:45:58,604 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 917 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-17 17:45:58,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 2567 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-17 17:45:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-10-17 17:45:58,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2022-10-17 17:45:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 1897 states have (on average 1.2846599894570374) internal successors, (2437), 1954 states have internal predecessors, (2437), 999 states have call successors, (999), 255 states have call predecessors, (999), 253 states have return successors, (1004), 985 states have call predecessors, (1004), 999 states have call successors, (1004) [2022-10-17 17:45:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4440 transitions. [2022-10-17 17:45:58,811 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4440 transitions. Word has length 150 [2022-10-17 17:45:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:45:58,813 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4440 transitions. [2022-10-17 17:45:58,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-10-17 17:45:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4440 transitions. [2022-10-17 17:45:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 17:45:58,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:45:58,822 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 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] [2022-10-17 17:45:58,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:45:58,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:45:58,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:45:58,833 INFO L85 PathProgramCache]: Analyzing trace with hash -736405574, now seen corresponding path program 1 times [2022-10-17 17:45:58,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:45:58,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518126054] [2022-10-17 17:45:58,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:45:58,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:45:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:45:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-10-17 17:45:59,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:45:59,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518126054] [2022-10-17 17:45:59,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518126054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:45:59,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:45:59,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:45:59,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802860239] [2022-10-17 17:45:59,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:45:59,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:45:59,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:45:59,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:45:59,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:45:59,221 INFO L87 Difference]: Start difference. First operand 3150 states and 4440 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-17 17:46:03,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:46:04,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:46:04,825 INFO L93 Difference]: Finished difference Result 8823 states and 12384 transitions. [2022-10-17 17:46:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:46:04,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 155 [2022-10-17 17:46:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:46:04,876 INFO L225 Difference]: With dead ends: 8823 [2022-10-17 17:46:04,876 INFO L226 Difference]: Without dead ends: 5692 [2022-10-17 17:46:04,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:46:04,897 INFO L413 NwaCegarLoop]: 1508 mSDtfsCounter, 1184 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-17 17:46:04,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 2665 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-10-17 17:46:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states.