./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 --- 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-4e7fbc6 [2022-11-23 02:13:05,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:13:05,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:13:05,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:13:05,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:13:05,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:13:05,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:13:05,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:13:05,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:13:05,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:13:05,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:13:05,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:13:05,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:13:05,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:13:05,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:13:05,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:13:05,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:13:05,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:13:05,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:13:05,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:13:05,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:13:05,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:13:05,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:13:05,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:13:05,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:13:05,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:13:05,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:13:05,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:13:05,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:13:05,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:13:05,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:13:05,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:13:05,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:13:05,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:13:05,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:13:05,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:13:05,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:13:05,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:13:05,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:13:05,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:13:05,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:13:05,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:13:05,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:13:05,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:13:05,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:13:05,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:13:05,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:13:05,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:13:05,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:13:05,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:13:05,143 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:13:05,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:13:05,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:13:05,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:13:05,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:13:05,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:13:05,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:13:05,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:13:05,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:13:05,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:13:05,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:13:05,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:13:05,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:13:05,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:13:05,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:13:05,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:13:05,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:13:05,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:13:05,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:13:05,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:13:05,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:13:05,147 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:13:05,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:13:05,148 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 [2022-11-23 02:13:05,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:13:05,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:13:05,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:13:05,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:13:05,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:13:05,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-23 02:13:08,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:13:09,299 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:13:09,302 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-23 02:13:09,380 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/data/65054c7a2/d4ada66b99334fbba2fe1661af8a7252/FLAG89d283a81 [2022-11-23 02:13:09,399 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/data/65054c7a2/d4ada66b99334fbba2fe1661af8a7252 [2022-11-23 02:13:09,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:13:09,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:13:09,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:13:09,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:13:09,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:13:09,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:09" (1/1) ... [2022-11-23 02:13:09,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddf2efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09, skipping insertion in model container [2022-11-23 02:13:09,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:09" (1/1) ... [2022-11-23 02:13:09,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:13:09,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:13:11,007 WARN L237 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_678d7495-f430-4b49-9455-bf884883e9e5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-23 02:13:12,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:13:12,617 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:13:12,912 WARN L237 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_678d7495-f430-4b49-9455-bf884883e9e5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2022-11-23 02:13:13,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:13:13,554 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:13:13,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13 WrapperNode [2022-11-23 02:13:13,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:13:13,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:13:13,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:13:13,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:13:13,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:13,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:13,978 INFO L138 Inliner]: procedures = 398, calls = 3556, calls flagged for inlining = 231, calls inlined = 208, statements flattened = 8365 [2022-11-23 02:13:13,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:13:13,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:13:13,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:13:13,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:13:13,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:13,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:13:14,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:13:14,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:13:14,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:13:14,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (1/1) ... [2022-11-23 02:13:14,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:13:14,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:13:14,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:13:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678d7495-f430-4b49-9455-bf884883e9e5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:13:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 02:13:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 02:13:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 02:13:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 02:13:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 02:13:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 02:13:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 02:13:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 02:13:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:13:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:13:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 02:13:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 02:13:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 02:13:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 02:13:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 02:13:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 02:13:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 02:13:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 02:13:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-23 02:13:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-23 02:13:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2022-11-23 02:13:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2022-11-23 02:13:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2022-11-23 02:13:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2022-11-23 02:13:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-23 02:13:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-23 02:13:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-23 02:13:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-23 02:13:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 02:13:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 02:13:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-23 02:13:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-23 02:13:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2022-11-23 02:13:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2022-11-23 02:13:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 02:13:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 02:13:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 02:13:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 02:13:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-23 02:13:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-23 02:13:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 02:13:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 02:13:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 02:13:14,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 02:13:14,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-23 02:13:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2022-11-23 02:13:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2022-11-23 02:13:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 02:13:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 02:13:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2022-11-23 02:13:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2022-11-23 02:13:14,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 02:13:14,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 02:13:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:13:14,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 02:13:14,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 02:13:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 02:13:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 02:13:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 02:13:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 02:13:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2022-11-23 02:13:14,654 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2022-11-23 02:13:14,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 02:13:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 02:13:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 02:13:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 02:13:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 02:13:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 02:13:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:13:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 02:13:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 02:13:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-23 02:13:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-23 02:13:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 02:13:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 02:13:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2022-11-23 02:13:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2022-11-23 02:13:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 02:13:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 02:13:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2022-11-23 02:13:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2022-11-23 02:13:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_remove [2022-11-23 02:13:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_remove [2022-11-23 02:13:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 02:13:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 02:13:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2022-11-23 02:13:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2022-11-23 02:13:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:13:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:13:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 02:13:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 02:13:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 02:13:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 02:13:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:13:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2022-11-23 02:13:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2022-11-23 02:13:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-23 02:13:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-23 02:13:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2022-11-23 02:13:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2022-11-23 02:13:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 02:13:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 02:13:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 02:13:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 02:13:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2022-11-23 02:13:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2022-11-23 02:13:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2022-11-23 02:13:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2022-11-23 02:13:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 02:13:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 02:13:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 02:13:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 02:13:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:13:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:13:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 02:13:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 02:13:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 02:13:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 02:13:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 02:13:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 02:13:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:13:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:13:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:13:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:13:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-23 02:13:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-23 02:13:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 02:13:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 02:13:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2022-11-23 02:13:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2022-11-23 02:13:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2022-11-23 02:13:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2022-11-23 02:13:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2022-11-23 02:13:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2022-11-23 02:13:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 02:13:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 02:13:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 02:13:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 02:13:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2022-11-23 02:13:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2022-11-23 02:13:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 02:13:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 02:13:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:13:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:13:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 02:13:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 02:13:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 02:13:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 02:13:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-23 02:13:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-23 02:13:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:13:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 02:13:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 02:13:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2022-11-23 02:13:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2022-11-23 02:13:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 02:13:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 02:13:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:13:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-23 02:13:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-23 02:13:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:13:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2022-11-23 02:13:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2022-11-23 02:13:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2022-11-23 02:13:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2022-11-23 02:13:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 02:13:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 02:13:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 02:13:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 02:13:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 02:13:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 02:13:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 02:13:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 02:13:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 02:13:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 02:13:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2022-11-23 02:13:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2022-11-23 02:13:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2022-11-23 02:13:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2022-11-23 02:13:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 02:13:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 02:13:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-23 02:13:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-23 02:13:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-23 02:13:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-23 02:13:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 02:13:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 02:13:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-23 02:13:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-23 02:13:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2022-11-23 02:13:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2022-11-23 02:13:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 02:13:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 02:13:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:13:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:13:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2022-11-23 02:13:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2022-11-23 02:13:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:13:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:13:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:13:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 02:13:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 02:13:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 02:13:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 02:13:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2022-11-23 02:13:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2022-11-23 02:13:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2022-11-23 02:13:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2022-11-23 02:13:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2022-11-23 02:13:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2022-11-23 02:13:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 02:13:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 02:13:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2022-11-23 02:13:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2022-11-23 02:13:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-23 02:13:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-23 02:13:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2022-11-23 02:13:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2022-11-23 02:13:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 02:13:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 02:13:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2022-11-23 02:13:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2022-11-23 02:13:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 02:13:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 02:13:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 02:13:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 02:13:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-23 02:13:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-23 02:13:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2022-11-23 02:13:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2022-11-23 02:13:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:13:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2022-11-23 02:13:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2022-11-23 02:13:15,915 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:13:15,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:13:16,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:24:26,989 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:24:27,014 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:24:27,015 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 02:24:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:27 BoogieIcfgContainer [2022-11-23 02:24:27,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:24:27,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:24:27,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:24:27,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:24:27,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:09" (1/3) ... [2022-11-23 02:24:27,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287534d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:27, skipping insertion in model container [2022-11-23 02:24:27,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:13" (2/3) ... [2022-11-23 02:24:27,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287534d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:27, skipping insertion in model container [2022-11-23 02:24:27,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:27" (3/3) ... [2022-11-23 02:24:27,037 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2022-11-23 02:24:27,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:24:27,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:24:27,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:24:27,203 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=PETRI_NET, 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;@20af8c58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:24:27,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:24:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 2417 states, 1751 states have (on average 1.3632210165619645) internal successors, (2387), 1784 states have internal predecessors, (2387), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) [2022-11-23 02:24:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-23 02:24:27,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:24:27,248 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:24:27,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:24:27,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:24:27,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1452653159, now seen corresponding path program 1 times [2022-11-23 02:24:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:24:27,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153745433] [2022-11-23 02:24:27,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:24:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:24:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:24:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:24:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:24:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:24:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:24:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:24:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:24:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:24:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:24:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:24:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-23 02:24:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:24:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:24:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-23 02:24:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:24:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153745433] [2022-11-23 02:24:30,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153745433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:24:30,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:24:30,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:24:30,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914276611] [2022-11-23 02:24:30,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:24:30,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:24:30,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:24:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:24:30,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:24:30,872 INFO L87 Difference]: Start difference. First operand has 2417 states, 1751 states have (on average 1.3632210165619645) internal successors, (2387), 1784 states have internal predecessors, (2387), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-23 02:24:33,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:35,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:37,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:42,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:44,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:48,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:50,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:56,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:24:58,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:02,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:04,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:06,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:08,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:13,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:20,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:22,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:26,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:28,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:32,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:34,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:36,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:44,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:48,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:50,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:56,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:25:58,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:00,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:02,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:26:07,175 INFO L93 Difference]: Finished difference Result 7680 states and 11346 transitions. [2022-11-23 02:26:07,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:26:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 92 [2022-11-23 02:26:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:26:07,341 INFO L225 Difference]: With dead ends: 7680 [2022-11-23 02:26:07,342 INFO L226 Difference]: Without dead ends: 5230 [2022-11-23 02:26:07,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:26:07,375 INFO L413 NwaCegarLoop]: 3371 mSDtfsCounter, 5410 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 2997 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5800 SdHoareTripleChecker+Valid, 9041 SdHoareTripleChecker+Invalid, 7891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2997 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:26:07,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5800 Valid, 9041 Invalid, 7891 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2997 Valid, 4863 Invalid, 31 Unknown, 0 Unchecked, 95.1s Time] [2022-11-23 02:26:07,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2022-11-23 02:26:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 4732. [2022-11-23 02:26:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3443 states have (on average 1.354632587859425) internal successors, (4664), 3487 states have internal predecessors, (4664), 1076 states have call successors, (1076), 213 states have call predecessors, (1076), 212 states have return successors, (1075), 1067 states have call predecessors, (1075), 1075 states have call successors, (1075) [2022-11-23 02:26:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6815 transitions. [2022-11-23 02:26:07,832 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6815 transitions. Word has length 92 [2022-11-23 02:26:07,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:26:07,836 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6815 transitions. [2022-11-23 02:26:07,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-23 02:26:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6815 transitions. [2022-11-23 02:26:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 02:26:07,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:26:07,853 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:26:07,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:26:07,853 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:26:07,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:26:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1246281636, now seen corresponding path program 1 times [2022-11-23 02:26:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:26:07,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619838144] [2022-11-23 02:26:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:26:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:26:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:26:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:26:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:26:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:26:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:26:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-23 02:26:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:26:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:26:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 02:26:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:26:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-23 02:26:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:26:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:26:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-23 02:26:11,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:26:11,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619838144] [2022-11-23 02:26:11,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619838144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:26:11,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:26:11,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 02:26:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23301153] [2022-11-23 02:26:11,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:26:11,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:26:11,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:26:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:26:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:26:11,624 INFO L87 Difference]: Start difference. First operand 4732 states and 6815 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 02:26:13,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:16,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:22,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:24,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:29,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:31,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:35,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:39,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:41,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:46,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:48,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:50,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:26:52,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:02,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:04,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:06,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:08,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:12,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:14,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:16,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:18,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:21,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:23,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:27,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:29,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:31,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:33,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:35,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:37,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:42,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:44,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:27:56,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:27:56,979 INFO L93 Difference]: Finished difference Result 10423 states and 15343 transitions. [2022-11-23 02:27:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:27:56,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 94 [2022-11-23 02:27:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:27:57,053 INFO L225 Difference]: With dead ends: 10423 [2022-11-23 02:27:57,054 INFO L226 Difference]: Without dead ends: 10415 [2022-11-23 02:27:57,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:27:57,062 INFO L413 NwaCegarLoop]: 3325 mSDtfsCounter, 5488 mSDsluCounter, 10774 mSDsCounter, 0 mSdLazyCounter, 8078 mSolverCounterSat, 2966 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5893 SdHoareTripleChecker+Valid, 14099 SdHoareTripleChecker+Invalid, 11074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2966 IncrementalHoareTripleChecker+Valid, 8078 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:27:57,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5893 Valid, 14099 Invalid, 11074 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2966 Valid, 8078 Invalid, 30 Unknown, 0 Unchecked, 104.2s Time] [2022-11-23 02:27:57,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10415 states. [2022-11-23 02:27:57,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10415 to 9445. [2022-11-23 02:27:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9445 states, 6871 states have (on average 1.3551157036821424) internal successors, (9311), 6963 states have internal predecessors, (9311), 2143 states have call successors, (2143), 425 states have call predecessors, (2143), 430 states have return successors, (2218), 2128 states have call predecessors, (2218), 2142 states have call successors, (2218) [2022-11-23 02:27:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9445 states to 9445 states and 13672 transitions. [2022-11-23 02:27:57,582 INFO L78 Accepts]: Start accepts. Automaton has 9445 states and 13672 transitions. Word has length 94 [2022-11-23 02:27:57,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:27:57,583 INFO L495 AbstractCegarLoop]: Abstraction has 9445 states and 13672 transitions. [2022-11-23 02:27:57,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 02:27:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 9445 states and 13672 transitions. [2022-11-23 02:27:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-23 02:27:57,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:27:57,620 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:27:57,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:27:57,621 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:27:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:27:57,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2026374073, now seen corresponding path program 1 times [2022-11-23 02:27:57,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:27:57,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588751636] [2022-11-23 02:27:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:27:57,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:27:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat