./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:10:10,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:10:10,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:10:10,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:10:10,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:10:10,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:10:10,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:10:10,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:10:10,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:10:10,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:10:10,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:10:10,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:10:10,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:10:10,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:10:10,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:10:10,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:10:10,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:10:10,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:10:10,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:10:10,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:10:10,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:10:10,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:10:10,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:10:10,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:10:10,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:10:10,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:10:10,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:10:10,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:10:10,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:10:10,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:10:10,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:10:10,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:10:10,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:10:10,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:10:10,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:10:10,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:10:10,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:10:10,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:10:10,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:10:10,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:10:10,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:10:10,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:10:10,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:10:10,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:10:10,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:10:10,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:10:10,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:10:10,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:10:10,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:10:10,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:10:10,492 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:10:10,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:10:10,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:10:10,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:10:10,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:10:10,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:10:10,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:10:10,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:10:10,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:10:10,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:10:10,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:10:10,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:10:10,496 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_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 [2021-12-06 22:10:10,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:10:10,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:10:10,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:10:10,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:10:10,686 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:10:10,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-06 22:10:10,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/data/8da458495/2f732daa467b4c9bb84ce39f4f672eca/FLAGe3a88248b [2021-12-06 22:10:11,310 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:10:11,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-06 22:10:11,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/data/8da458495/2f732daa467b4c9bb84ce39f4f672eca/FLAGe3a88248b [2021-12-06 22:10:11,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/data/8da458495/2f732daa467b4c9bb84ce39f4f672eca [2021-12-06 22:10:11,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:10:11,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:10:11,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:10:11,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:10:11,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:10:11,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:10:11" (1/1) ... [2021-12-06 22:10:11,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335e7b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:11, skipping insertion in model container [2021-12-06 22:10:11,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:10:11" (1/1) ... [2021-12-06 22:10:11,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:10:11,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:10:12,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2021-12-06 22:10:13,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:10:13,813 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:10:13,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2021-12-06 22:10:14,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:10:14,318 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:10:14,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14 WrapperNode [2021-12-06 22:10:14,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:10:14,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:10:14,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:10:14,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:10:14,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,554 INFO L137 Inliner]: procedures = 398, calls = 3556, calls flagged for inlining = 231, calls inlined = 208, statements flattened = 8350 [2021-12-06 22:10:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:10:14,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:10:14,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:10:14,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:10:14,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:10:14,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:10:14,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:10:14,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:10:14,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (1/1) ... [2021-12-06 22:10:14,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:10:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:10:14,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:10:14,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5a0b3b7-e243-4a8c-a735-fb290ca7e752/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:10:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 22:10:14,877 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 22:10:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 22:10:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 22:10:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-06 22:10:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:10:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 22:10:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 22:10:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 22:10:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 22:10:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 22:10:14,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 22:10:14,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 22:10:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2021-12-06 22:10:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:10:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2021-12-06 22:10:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-06 22:10:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:10:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-06 22:10:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-06 22:10:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 22:10:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 22:10:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:10:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:10:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2021-12-06 22:10:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2021-12-06 22:10:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:10:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 22:10:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 22:10:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:10:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:10:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 22:10:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-06 22:10:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:10:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2021-12-06 22:10:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2021-12-06 22:10:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_remove [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_remove [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:10:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 22:10:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 22:10:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2021-12-06 22:10:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-06 22:10:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2021-12-06 22:10:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2021-12-06 22:10:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:10:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:10:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:10:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:10:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2021-12-06 22:10:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2021-12-06 22:10:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2021-12-06 22:10:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2021-12-06 22:10:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 22:10:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 22:10:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 22:10:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 22:10:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:10:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:10:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 22:10:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 22:10:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 22:10:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 22:10:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:10:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:10:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:10:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:10:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:10:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:10:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-06 22:10:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-06 22:10:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 22:10:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 22:10:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2021-12-06 22:10:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2021-12-06 22:10:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2021-12-06 22:10:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2021-12-06 22:10:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2021-12-06 22:10:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2021-12-06 22:10:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:10:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:10:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:10:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:10:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 22:10:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 22:10:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-06 22:10:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-06 22:10:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:10:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2021-12-06 22:10:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2021-12-06 22:10:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2021-12-06 22:10:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2021-12-06 22:10:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-06 22:10:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-06 22:10:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:10:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:10:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 22:10:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 22:10:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2021-12-06 22:10:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2021-12-06 22:10:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:10:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2021-12-06 22:10:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2021-12-06 22:10:15,501 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:10:15,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:10:15,609 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:20:23,460 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:20:23,478 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:20:23,479 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:20:23,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:20:23 BoogieIcfgContainer [2021-12-06 22:20:23,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:20:23,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:20:23,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:20:23,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:20:23,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:10:11" (1/3) ... [2021-12-06 22:20:23,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe16f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:20:23, skipping insertion in model container [2021-12-06 22:20:23,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:10:14" (2/3) ... [2021-12-06 22:20:23,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe16f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:20:23, skipping insertion in model container [2021-12-06 22:20:23,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:20:23" (3/3) ... [2021-12-06 22:20:23,488 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-06 22:20:23,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:20:23,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:20:23,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:20:23,542 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:20:23,543 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:20:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 2423 states, 1757 states have (on average 1.3619806488332384) internal successors, (2393), 1790 states have internal predecessors, (2393), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) [2021-12-06 22:20:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-06 22:20:23,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:20:23,604 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:20:23,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:20:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:20:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash 188031268, now seen corresponding path program 1 times [2021-12-06 22:20:23,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:20:23,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272576471] [2021-12-06 22:20:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:23,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:20:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:20:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:20:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:20:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:20:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:20:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:20:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:20:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:20:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:20:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:20:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 22:20:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 22:20:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-06 22:20:25,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:20:25,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272576471] [2021-12-06 22:20:25,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272576471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:20:25,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:20:25,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:20:25,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065059729] [2021-12-06 22:20:25,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:20:25,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:20:25,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:20:25,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:20:25,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:20:25,339 INFO L87 Difference]: Start difference. First operand has 2423 states, 1757 states have (on average 1.3619806488332384) internal successors, (2393), 1790 states have internal predecessors, (2393), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 22:20:27,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:29,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:32,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:35,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:37,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:41,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:43,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:47,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:49,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:52,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:54,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:56,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:58,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:10,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:13,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:15,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:21:21,882 INFO L93 Difference]: Finished difference Result 7698 states and 11364 transitions. [2021-12-06 22:21:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:21:21,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 92 [2021-12-06 22:21:21,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:21:21,935 INFO L225 Difference]: With dead ends: 7698 [2021-12-06 22:21:21,936 INFO L226 Difference]: Without dead ends: 5242 [2021-12-06 22:21:21,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:21:21,958 INFO L933 BasicCegarLoop]: 3809 mSDtfsCounter, 5382 mSDsluCounter, 6136 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 3064 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5774 SdHoareTripleChecker+Valid, 9945 SdHoareTripleChecker+Invalid, 7029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3064 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:21:21,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5774 Valid, 9945 Invalid, 7029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3064 Valid, 3949 Invalid, 16 Unknown, 0 Unchecked, 55.8s Time] [2021-12-06 22:21:21,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-12-06 22:21:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 4744. [2021-12-06 22:21:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 3455 states have (on average 1.3539797395079596) internal successors, (4678), 3499 states have internal predecessors, (4678), 1076 states have call successors, (1076), 213 states have call predecessors, (1076), 212 states have return successors, (1075), 1067 states have call predecessors, (1075), 1075 states have call successors, (1075) [2021-12-06 22:21:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 6829 transitions. [2021-12-06 22:21:22,241 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 6829 transitions. Word has length 92 [2021-12-06 22:21:22,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:21:22,242 INFO L470 AbstractCegarLoop]: Abstraction has 4744 states and 6829 transitions. [2021-12-06 22:21:22,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 22:21:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 6829 transitions. [2021-12-06 22:21:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-06 22:21:22,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:21:22,248 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:21:22,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:21:22,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:21:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:21:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash -756609439, now seen corresponding path program 1 times [2021-12-06 22:21:22,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:21:22,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80652153] [2021-12-06 22:21:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:21:22,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:21:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:21:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:21:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:21:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:21:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:21:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:21:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:21:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:21:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:21:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:21:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 22:21:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 22:21:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-06 22:21:23,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:21:23,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80652153] [2021-12-06 22:21:23,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80652153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:21:23,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:21:23,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:21:23,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638099652] [2021-12-06 22:21:23,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:21:23,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:21:23,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:21:23,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:21:23,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:21:23,428 INFO L87 Difference]: Start difference. First operand 4744 states and 6829 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:21:25,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:27,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:32,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:34,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:38,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:40,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:43,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:46,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:48,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:52,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:54,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:56,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:58,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:06,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:08,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:10,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:12,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:15,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:17,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:19,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:21,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:25,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:27,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:30,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:32,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:34,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:37,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:39,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:41,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:46,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:48,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:55,481 INFO L93 Difference]: Finished difference Result 10447 states and 15371 transitions. [2021-12-06 22:22:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:22:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 94 [2021-12-06 22:22:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:22:55,543 INFO L225 Difference]: With dead ends: 10447 [2021-12-06 22:22:55,543 INFO L226 Difference]: Without dead ends: 10439 [2021-12-06 22:22:55,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:22:55,547 INFO L933 BasicCegarLoop]: 3827 mSDtfsCounter, 5384 mSDsluCounter, 13079 mSDsCounter, 0 mSdLazyCounter, 5613 mSolverCounterSat, 3015 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5787 SdHoareTripleChecker+Valid, 16906 SdHoareTripleChecker+Invalid, 8658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3015 IncrementalHoareTripleChecker+Valid, 5613 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:22:55,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5787 Valid, 16906 Invalid, 8658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3015 Valid, 5613 Invalid, 30 Unknown, 0 Unchecked, 91.2s Time] [2021-12-06 22:22:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10439 states. [2021-12-06 22:22:55,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10439 to 9469. [2021-12-06 22:22:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9469 states, 6895 states have (on average 1.354459753444525) internal successors, (9339), 6987 states have internal predecessors, (9339), 2143 states have call successors, (2143), 425 states have call predecessors, (2143), 430 states have return successors, (2218), 2128 states have call predecessors, (2218), 2142 states have call successors, (2218) [2021-12-06 22:22:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9469 states to 9469 states and 13700 transitions. [2021-12-06 22:22:55,884 INFO L78 Accepts]: Start accepts. Automaton has 9469 states and 13700 transitions. Word has length 94 [2021-12-06 22:22:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:22:55,885 INFO L470 AbstractCegarLoop]: Abstraction has 9469 states and 13700 transitions. [2021-12-06 22:22:55,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:22:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 9469 states and 13700 transitions. [2021-12-06 22:22:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-06 22:22:55,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:22:55,912 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:55,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:22:55,912 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:22:55,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1783924542, now seen corresponding path program 1 times [2021-12-06 22:22:55,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:55,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174791697] [2021-12-06 22:22:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:55,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:22:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:22:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:22:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:22:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:22:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:22:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:22:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:22:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:22:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:22:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 22:22:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 22:22:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:22:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 22:22:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 22:22:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:22:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:22:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:22:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:22:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:22:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:22:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:22:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:22:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 22:22:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:22:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:22:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:22:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:22:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 22:22:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 22:22:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:22:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 22:22:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:22:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:22:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 22:22:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-06 22:22:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:22:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:22:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 22:22:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 22:22:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 22:22:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 22:22:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-06 22:22:58,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:58,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174791697] [2021-12-06 22:22:58,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174791697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:58,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:58,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 22:22:58,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527090704] [2021-12-06 22:22:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:58,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 22:22:58,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 22:22:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:22:58,436 INFO L87 Difference]: Start difference. First operand 9469 states and 13700 transitions. Second operand has 15 states, 14 states have (on average 13.5) internal successors, (189), 8 states have internal predecessors, (189), 3 states have call successors, (49), 7 states have call predecessors, (49), 3 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-06 22:23:00,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:02,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:05,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:13,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:20,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:22,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:25,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:28,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:30,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:32,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:34,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:36,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:51,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:53,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:55,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:01,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:03,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:05,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:13,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:15,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:17,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:27,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:29,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:31,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:34,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:36,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []