./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro --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 b1b4bf83d5193ec87ad4bd97e1d4f0fecbdf9c5c53c1d531ddbf51d0a74c1c7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:08:32,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:08:32,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:08:32,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:08:32,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:08:32,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:08:32,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:08:32,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:08:32,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:08:32,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:08:32,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:08:32,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:08:32,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:08:32,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:08:32,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:08:32,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:08:32,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:08:32,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:08:32,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:08:32,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:08:32,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:08:32,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:08:32,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:08:32,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:08:32,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:08:32,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:08:32,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:08:32,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:08:32,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:08:32,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:08:32,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:08:32,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:08:32,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:08:32,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:08:32,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:08:32,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:08:32,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:08:32,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:08:32,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:08:32,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:08:32,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:08:32,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:08:32,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:08:32,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:08:32,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:08:32,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:08:32,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:08:32,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:08:32,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:08:32,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:08:32,427 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:08:32,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:08:32,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:08:32,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:08:32,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:08:32,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:08:32,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:08:32,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:08:32,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:08:32,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:08:32,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:08:32,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:08:32,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:08:32,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:32,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:08:32,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:08:32,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:08:32,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:08:32,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:08:32,432 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:08:32,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:08:32,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:08:32,433 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_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b4bf83d5193ec87ad4bd97e1d4f0fecbdf9c5c53c1d531ddbf51d0a74c1c7c [2022-11-18 21:08:32,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:08:32,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:08:32,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:08:32,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:08:32,722 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:08:32,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i [2022-11-18 21:08:32,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/data/8cbf53696/2c5957b972c3421a9da663ee6f061a49/FLAG66050b547 [2022-11-18 21:08:33,943 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:08:33,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i [2022-11-18 21:08:34,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/data/8cbf53696/2c5957b972c3421a9da663ee6f061a49/FLAG66050b547 [2022-11-18 21:08:34,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/data/8cbf53696/2c5957b972c3421a9da663ee6f061a49 [2022-11-18 21:08:34,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:08:34,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:08:34,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:34,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:08:34,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:08:34,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:34" (1/1) ... [2022-11-18 21:08:34,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9bc303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:34, skipping insertion in model container [2022-11-18 21:08:34,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:34" (1/1) ... [2022-11-18 21:08:34,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:08:34,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:08:38,179 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i[405881,405894] [2022-11-18 21:08:38,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:38,362 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:08:38,947 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i[405881,405894] [2022-11-18 21:08:38,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:39,327 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:08:39,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39 WrapperNode [2022-11-18 21:08:39,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:39,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:39,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:08:39,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:08:39,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:39,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:39,800 INFO L138 Inliner]: procedures = 496, calls = 3551, calls flagged for inlining = 249, calls inlined = 220, statements flattened = 8129 [2022-11-18 21:08:39,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:39,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:08:39,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:08:39,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:08:39,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:39,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:39,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:39,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:08:40,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:08:40,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:08:40,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:08:40,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (1/1) ... [2022-11-18 21:08:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:40,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:08:40,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:08:40,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a328d3-dff8-4053-b2fd-58eb8f556af7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:08:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-18 21:08:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-18 21:08:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 21:08:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 21:08:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:08:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:08:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 21:08:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 21:08:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 21:08:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 21:08:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 21:08:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 21:08:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:08:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:08:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outhash [2022-11-18 21:08:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outhash [2022-11-18 21:08:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 21:08:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 21:08:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 21:08:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 21:08:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_read [2022-11-18 21:08:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_read [2022-11-18 21:08:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 21:08:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 21:08:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 21:08:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 21:08:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-18 21:08:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-18 21:08:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 21:08:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 21:08:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure skge_led [2022-11-18 21:08:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_led [2022-11-18 21:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure skge_usecs2clk [2022-11-18 21:08:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_usecs2clk [2022-11-18 21:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-18 21:08:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-18 21:08:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 21:08:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 21:08:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 21:08:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 21:08:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 21:08:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 21:08:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-18 21:08:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-18 21:08:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-18 21:08:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-18 21:08:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2022-11-18 21:08:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2022-11-18 21:08:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write32 [2022-11-18 21:08:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write32 [2022-11-18 21:08:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 21:08:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 21:08:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write8 [2022-11-18 21:08:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write8 [2022-11-18 21:08:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 21:08:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 21:08:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 21:08:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 21:08:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 21:08:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 21:08:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:08:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:08:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 21:08:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 21:08:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 21:08:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 21:08:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:08:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 21:08:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 21:08:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_timeout [2022-11-18 21:08:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_timeout [2022-11-18 21:08:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 21:08:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 21:08:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-18 21:08:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-18 21:08:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-18 21:08:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-18 21:08:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_reset [2022-11-18 21:08:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_reset [2022-11-18 21:08:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 21:08:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 21:08:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 21:08:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 21:08:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 21:08:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 21:08:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-18 21:08:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-18 21:08:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:08:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ramset [2022-11-18 21:08:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ramset [2022-11-18 21:08:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 21:08:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 21:08:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 21:08:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 21:08:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:08:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-18 21:08:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-18 21:08:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure skge_set_multicast [2022-11-18 21:08:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_set_multicast [2022-11-18 21:08:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:08:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure bcom_check_link [2022-11-18 21:08:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bcom_check_link [2022-11-18 21:08:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 21:08:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 21:08:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:08:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:08:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure skge_suspend [2022-11-18 21:08:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_suspend [2022-11-18 21:08:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write16 [2022-11-18 21:08:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write16 [2022-11-18 21:08:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-18 21:08:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-18 21:08:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 21:08:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 21:08:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 21:08:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 21:08:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 21:08:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 21:08:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 21:08:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 21:08:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 21:08:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 21:08:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write16 [2022-11-18 21:08:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write16 [2022-11-18 21:08:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_parity [2022-11-18 21:08:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_parity [2022-11-18 21:08:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-18 21:08:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-18 21:08:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 21:08:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 21:08:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure skge_set_mac_address [2022-11-18 21:08:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_set_mac_address [2022-11-18 21:08:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:08:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-18 21:08:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_down [2022-11-18 21:08:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_down [2022-11-18 21:08:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_setup [2022-11-18 21:08:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_setup [2022-11-18 21:08:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write32 [2022-11-18 21:08:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write32 [2022-11-18 21:08:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-18 21:08:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-18 21:08:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read8 [2022-11-18 21:08:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read8 [2022-11-18 21:08:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:08:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_clean [2022-11-18 21:08:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_clean [2022-11-18 21:08:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 21:08:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 21:08:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 21:08:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 21:08:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:08:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-18 21:08:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-18 21:08:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:08:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 21:08:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 21:08:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure skge_up [2022-11-18 21:08:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_up [2022-11-18 21:08:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure skge_reset [2022-11-18 21:08:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_reset [2022-11-18 21:08:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure skge_vpd_read [2022-11-18 21:08:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_vpd_read [2022-11-18 21:08:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 21:08:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 21:08:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure wol_supported [2022-11-18 21:08:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure wol_supported [2022-11-18 21:08:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 21:08:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 21:08:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_init [2022-11-18 21:08:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_init [2022-11-18 21:08:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_write [2022-11-18 21:08:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_write [2022-11-18 21:08:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-18 21:08:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-18 21:08:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 21:08:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 21:08:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure skge_resume [2022-11-18 21:08:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_resume [2022-11-18 21:08:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_get_stats [2022-11-18 21:08:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_get_stats [2022-11-18 21:08:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:08:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:08:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure skge_supported_modes [2022-11-18 21:08:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_supported_modes [2022-11-18 21:08:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:08:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:08:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 21:08:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 21:08:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 21:08:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 21:08:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-18 21:08:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-18 21:08:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:08:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:08:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:08:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:08:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 21:08:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 21:08:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 21:08:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 21:08:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_get_stats [2022-11-18 21:08:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_get_stats [2022-11-18 21:08:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-18 21:08:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-18 21:08:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 21:08:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 21:08:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_add_filter [2022-11-18 21:08:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_add_filter [2022-11-18 21:08:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 21:08:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 21:08:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_add_filter [2022-11-18 21:08:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_add_filter [2022-11-18 21:08:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:08:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 21:08:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 21:08:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_pauseparam [2022-11-18 21:08:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_pauseparam [2022-11-18 21:08:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure skge_down [2022-11-18 21:08:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_down [2022-11-18 21:08:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-18 21:08:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-18 21:08:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 21:08:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 21:08:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read32 [2022-11-18 21:08:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read32 [2022-11-18 21:08:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 21:08:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 21:08:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-18 21:08:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-18 21:08:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:08:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:08:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-18 21:08:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-18 21:08:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:08:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:08:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read16 [2022-11-18 21:08:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read16 [2022-11-18 21:08:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 21:08:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 21:08:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 21:08:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 21:08:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 21:08:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 21:08:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_link_up [2022-11-18 21:08:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_link_up [2022-11-18 21:08:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-18 21:08:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-18 21:08:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:08:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 21:08:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 21:08:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:08:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_unmap [2022-11-18 21:08:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_unmap [2022-11-18 21:08:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 21:08:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 21:08:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ring_alloc [2022-11-18 21:08:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ring_alloc [2022-11-18 21:08:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-18 21:08:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-18 21:08:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure hwkhz [2022-11-18 21:08:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hwkhz [2022-11-18 21:08:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:08:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_intr [2022-11-18 21:08:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_intr [2022-11-18 21:08:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 21:08:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 21:08:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_reset [2022-11-18 21:08:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_reset [2022-11-18 21:08:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-18 21:08:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-18 21:08:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xm_phy_read [2022-11-18 21:08:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __xm_phy_read [2022-11-18 21:08:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outaddr [2022-11-18 21:08:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outaddr [2022-11-18 21:08:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 21:08:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 21:08:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure skge_devinit [2022-11-18 21:08:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_devinit [2022-11-18 21:08:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ioctl [2022-11-18 21:08:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ioctl [2022-11-18 21:08:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-18 21:08:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-18 21:08:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-18 21:08:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-18 21:08:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_up [2022-11-18 21:08:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_up [2022-11-18 21:08:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-18 21:08:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-18 21:08:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_mac_init [2022-11-18 21:08:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_mac_init [2022-11-18 21:08:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-18 21:08:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-18 21:08:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure skge_avail [2022-11-18 21:08:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_avail [2022-11-18 21:08:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_6 [2022-11-18 21:08:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_6 [2022-11-18 21:08:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read32 [2022-11-18 21:08:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read32 [2022-11-18 21:08:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_stats [2022-11-18 21:08:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_stats [2022-11-18 21:08:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 21:08:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 21:08:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 21:08:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 21:08:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure is_genesis [2022-11-18 21:08:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure is_genesis [2022-11-18 21:08:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-18 21:08:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-18 21:08:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:08:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:08:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2022-11-18 21:08:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2022-11-18 21:08:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:08:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:08:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:08:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-18 21:08:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-18 21:08:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-18 21:08:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-18 21:08:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 21:08:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 21:08:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:08:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:08:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure skge_wol_init [2022-11-18 21:08:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_wol_init [2022-11-18 21:08:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 21:08:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 21:08:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 21:08:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 21:08:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_clean [2022-11-18 21:08:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_clean [2022-11-18 21:08:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure skge_netpoll [2022-11-18 21:08:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_netpoll [2022-11-18 21:08:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure skge_intr [2022-11-18 21:08:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_intr [2022-11-18 21:08:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 21:08:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 21:08:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 21:08:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 21:08:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 21:08:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 21:08:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure skge_change_mtu [2022-11-18 21:08:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_change_mtu [2022-11-18 21:08:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:08:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:08:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-18 21:08:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-18 21:08:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-18 21:08:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-18 21:08:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 21:08:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 21:08:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read16 [2022-11-18 21:08:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read16 [2022-11-18 21:08:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:08:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-18 21:08:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-18 21:08:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure xm_link_down [2022-11-18 21:08:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_link_down [2022-11-18 21:08:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 21:08:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 21:08:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure skge_show_addr [2022-11-18 21:08:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_show_addr [2022-11-18 21:08:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure skge_qset [2022-11-18 21:08:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_qset [2022-11-18 21:08:42,021 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:08:42,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:08:45,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:21:46,337 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:21:46,380 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:21:46,380 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 21:21:46,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:46 BoogieIcfgContainer [2022-11-18 21:21:46,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:21:46,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:21:46,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:21:46,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:21:46,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:08:34" (1/3) ... [2022-11-18 21:21:46,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770cdcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:46, skipping insertion in model container [2022-11-18 21:21:46,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:39" (2/3) ... [2022-11-18 21:21:46,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770cdcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:46, skipping insertion in model container [2022-11-18 21:21:46,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:46" (3/3) ... [2022-11-18 21:21:46,406 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--marvell--skge.ko-entry_point.cil.out.i [2022-11-18 21:21:46,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:21:46,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:21:46,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:21:46,611 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;@4ed0e406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:21:46,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:21:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 3432 states, 2292 states have (on average 1.3726003490401397) internal successors, (3146), 2380 states have internal predecessors, (3146), 966 states have call successors, (966), 173 states have call predecessors, (966), 172 states have return successors, (953), 935 states have call predecessors, (953), 953 states have call successors, (953) [2022-11-18 21:21:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-18 21:21:46,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:46,685 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:46,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash -925990925, now seen corresponding path program 1 times [2022-11-18 21:21:46,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:46,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087217072] [2022-11-18 21:21:46,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:46,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:21:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:21:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:21:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:21:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:21:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:21:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 21:21:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 21:21:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 21:21:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:21:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 21:21:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 21:21:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 21:21:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 21:21:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 21:21:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-18 21:21:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:21:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-18 21:21:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 21:21:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 21:21:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 21:21:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 21:21:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-18 21:21:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-18 21:21:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-18 21:21:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 21:21:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 21:21:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:21:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 21:21:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-18 21:21:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2085 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2085 trivial. 0 not checked. [2022-11-18 21:21:50,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:50,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087217072] [2022-11-18 21:21:50,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087217072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:50,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:21:50,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:21:50,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075606441] [2022-11-18 21:21:50,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:50,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:21:50,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:21:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:21:50,944 INFO L87 Difference]: Start difference. First operand has 3432 states, 2292 states have (on average 1.3726003490401397) internal successors, (3146), 2380 states have internal predecessors, (3146), 966 states have call successors, (966), 173 states have call predecessors, (966), 172 states have return successors, (953), 935 states have call predecessors, (953), 953 states have call successors, (953) Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 21:21:53,161 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 [] [2022-11-18 21:21:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:22:33,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:22:36,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:22:38,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:22:58,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:58,263 INFO L93 Difference]: Finished difference Result 10563 states and 15927 transitions. [2022-11-18 21:22:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:22:58,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 408 [2022-11-18 21:22:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:58,365 INFO L225 Difference]: With dead ends: 10563 [2022-11-18 21:22:58,365 INFO L226 Difference]: Without dead ends: 7068 [2022-11-18 21:22:58,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:22:58,403 INFO L413 NwaCegarLoop]: 4671 mSDtfsCounter, 8034 mSDsluCounter, 9292 mSDsCounter, 0 mSdLazyCounter, 9268 mSolverCounterSat, 5292 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8626 SdHoareTripleChecker+Valid, 13963 SdHoareTripleChecker+Invalid, 14565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5292 IncrementalHoareTripleChecker+Valid, 9268 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:58,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8626 Valid, 13963 Invalid, 14565 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5292 Valid, 9268 Invalid, 5 Unknown, 0 Unchecked, 65.9s Time] [2022-11-18 21:22:58,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2022-11-18 21:22:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 6423. [2022-11-18 21:22:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 4300 states have (on average 1.3616279069767443) internal successors, (5855), 4438 states have internal predecessors, (5855), 1794 states have call successors, (1794), 329 states have call predecessors, (1794), 328 states have return successors, (1793), 1756 states have call predecessors, (1793), 1793 states have call successors, (1793) [2022-11-18 21:22:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 9442 transitions. [2022-11-18 21:22:59,024 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 9442 transitions. Word has length 408 [2022-11-18 21:22:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:59,031 INFO L495 AbstractCegarLoop]: Abstraction has 6423 states and 9442 transitions. [2022-11-18 21:22:59,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 21:22:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 9442 transitions. [2022-11-18 21:22:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-18 21:22:59,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:59,056 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:59,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:22:59,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:59,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:59,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2036700806, now seen corresponding path program 1 times [2022-11-18 21:22:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:59,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47780029] [2022-11-18 21:22:59,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:23:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:23:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:23:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:23:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 21:23:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 21:23:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 21:23:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 21:23:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 21:23:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:23:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 21:23:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 21:23:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 21:23:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 21:23:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 21:23:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-18 21:23:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:23:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-18 21:23:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 21:23:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 21:23:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 21:23:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 21:23:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-18 21:23:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-18 21:23:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-18 21:23:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 21:23:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 21:23:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:23:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:23:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:23:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:23:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-18 21:23:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-11-18 21:23:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:23:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2022-11-18 21:23:02,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:23:02,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47780029] [2022-11-18 21:23:02,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47780029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:23:02,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:23:02,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:23:02,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121569959] [2022-11-18 21:23:02,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:23:02,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:23:02,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:23:02,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:23:02,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:23:02,012 INFO L87 Difference]: Start difference. First operand 6423 states and 9442 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 21:23:04,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:23:06,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:23:08,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:23:11,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []