./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.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_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/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_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/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_5024086d-742e-41bf-9906-3c8b6b373094/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 c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:18:09,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:18:09,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:18:09,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:18:09,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:18:09,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:18:09,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:18:09,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:18:09,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:18:09,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:18:09,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:18:09,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:18:09,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:18:09,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:18:09,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:18:09,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:18:09,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:18:09,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:18:09,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:18:09,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:18:09,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:18:09,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:18:09,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:18:09,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:18:09,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:18:09,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:18:09,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:18:09,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:18:09,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:18:09,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:18:09,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:18:09,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:18:09,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:18:09,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:18:09,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:18:09,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:18:09,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:18:09,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:18:09,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:18:09,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:18:09,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:18:09,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:18:09,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:18:09,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:18:09,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:18:09,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:18:09,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:18:09,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:18:09,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:18:09,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:18:09,611 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:18:09,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:18:09,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:18:09,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:18:09,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:18:09,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:18:09,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:18:09,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:18:09,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:18:09,614 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_5024086d-742e-41bf-9906-3c8b6b373094/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb [2021-12-06 18:18:09,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:18:09,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:18:09,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:18:09,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:18:09,804 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:18:09,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:18:09,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/data/65813abbe/3ead61aa97824113abd83510e80fb710/FLAGc901a9bca [2021-12-06 18:18:10,617 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:18:10,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:18:10,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/data/65813abbe/3ead61aa97824113abd83510e80fb710/FLAGc901a9bca [2021-12-06 18:18:10,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/data/65813abbe/3ead61aa97824113abd83510e80fb710 [2021-12-06 18:18:10,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:18:10,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:18:10,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:18:10,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:18:10,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:18:10,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:10" (1/1) ... [2021-12-06 18:18:10,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235fd972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:10, skipping insertion in model container [2021-12-06 18:18:10,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:10" (1/1) ... [2021-12-06 18:18:10,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:18:11,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:18:15,757 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_5024086d-742e-41bf-9906-3c8b6b373094/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2021-12-06 18:18:16,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:18:16,096 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:18:16,581 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_5024086d-742e-41bf-9906-3c8b6b373094/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[634007,634020] [2021-12-06 18:18:16,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:18:16,852 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:18:16,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16 WrapperNode [2021-12-06 18:18:16,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:18:16,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:18:16,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:18:16,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:18:16,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:16,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,381 INFO L137 Inliner]: procedures = 748, calls = 8905, calls flagged for inlining = 319, calls inlined = 304, statements flattened = 16042 [2021-12-06 18:18:17,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:18:17,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:18:17,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:18:17,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:18:17,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:18:17,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:18:17,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:18:17,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:18:17,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (1/1) ... [2021-12-06 18:18:17,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:18:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:18:17,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:18:17,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024086d-742e-41bf-9906-3c8b6b373094/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 18:18:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-12-06 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-12-06 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-12-06 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-06 18:18:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-06 18:18:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-12-06 18:18:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-12-06 18:18:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:18:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-06 18:18:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-06 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-12-06 18:18:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-12-06 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-12-06 18:18:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-12-06 18:18:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-12-06 18:18:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-12-06 18:18:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-06 18:18:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-06 18:18:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 18:18:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 18:18:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-12-06 18:18:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-12-06 18:18:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-12-06 18:18:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-12-06 18:18:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-12-06 18:18:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-12-06 18:18:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 18:18:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-12-06 18:18:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-12-06 18:18:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-06 18:18:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-06 18:18:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-12-06 18:18:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-12-06 18:18:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 18:18:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 18:18:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-12-06 18:18:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-12-06 18:18:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 18:18:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 18:18:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:18:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-12-06 18:18:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-12-06 18:18:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 18:18:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 18:18:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-12-06 18:18:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-12-06 18:18:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-12-06 18:18:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-12-06 18:18:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-12-06 18:18:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-12-06 18:18:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-12-06 18:18:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-12-06 18:18:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-06 18:18:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-06 18:18:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 18:18:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-12-06 18:18:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-06 18:18:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 18:18:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-06 18:18:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-06 18:18:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-12-06 18:18:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-12-06 18:18:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2021-12-06 18:18:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2021-12-06 18:18:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2021-12-06 18:18:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2021-12-06 18:18:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-12-06 18:18:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-12-06 18:18:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:18:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-12-06 18:18:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-12-06 18:18:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-12-06 18:18:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-12-06 18:18:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-12-06 18:18:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-12-06 18:18:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-12-06 18:18:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-12-06 18:18:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-12-06 18:18:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:18:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-12-06 18:18:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 18:18:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 18:18:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-12-06 18:18:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-12-06 18:18:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-06 18:18:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-06 18:18:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-12-06 18:18:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-12-06 18:18:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-12-06 18:18:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-12-06 18:18:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-06 18:18:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-06 18:18:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-12-06 18:18:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-12-06 18:18:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 18:18:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 18:18:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-06 18:18:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-12-06 18:18:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-12-06 18:18:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 18:18:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-12-06 18:18:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-12-06 18:18:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-12-06 18:18:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-06 18:18:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-12-06 18:18:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-12-06 18:18:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:18:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 18:18:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 18:18:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-12-06 18:18:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-12-06 18:18:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-12-06 18:18:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-12-06 18:18:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-12-06 18:18:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:18:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:18:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-12-06 18:18:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-12-06 18:18:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-12-06 18:18:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-12-06 18:18:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 18:18:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 18:18:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-12-06 18:18:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-12-06 18:18:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:18:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:18:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-12-06 18:18:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-12-06 18:18:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2021-12-06 18:18:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-12-06 18:18:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-12-06 18:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 18:18:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 18:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 18:18:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 18:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-12-06 18:18:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-12-06 18:18:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-12-06 18:18:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-12-06 18:18:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-12-06 18:18:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-12-06 18:18:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-12-06 18:18:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-12-06 18:18:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-12-06 18:18:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-12-06 18:18:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-06 18:18:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-06 18:18:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-12-06 18:18:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-12-06 18:18:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 18:18:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 18:18:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-06 18:18:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-06 18:18:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 18:18:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 18:18:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-06 18:18:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-06 18:18:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-12-06 18:18:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-12-06 18:18:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 18:18:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 18:18:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:18:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:18:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:18:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 18:18:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-12-06 18:18:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-12-06 18:18:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-06 18:18:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 18:18:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-12-06 18:18:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-12-06 18:18:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-12-06 18:18:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-12-06 18:18:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:18:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-06 18:18:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-12-06 18:18:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-12-06 18:18:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-12-06 18:18:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 18:18:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:18:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:18:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags___0 [2021-12-06 18:18:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags___0 [2021-12-06 18:18:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-12-06 18:18:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-12-06 18:18:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-12-06 18:18:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-12-06 18:18:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-12-06 18:18:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-12-06 18:18:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 18:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 18:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-12-06 18:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-12-06 18:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-12-06 18:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-12-06 18:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-12-06 18:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-12-06 18:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-12-06 18:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-12-06 18:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-06 18:18:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-06 18:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-06 18:18:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-06 18:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-12-06 18:18:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-12-06 18:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_zd_chip [2021-12-06 18:18:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_zd_chip [2021-12-06 18:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2021-12-06 18:18:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2021-12-06 18:18:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_zd_chip [2021-12-06 18:18:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_zd_chip [2021-12-06 18:18:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-12-06 18:18:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-12-06 18:18:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2021-12-06 18:18:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2021-12-06 18:18:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-06 18:18:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-06 18:18:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2021-12-06 18:18:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2021-12-06 18:18:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 18:18:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 18:18:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-06 18:18:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-06 18:18:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-12-06 18:18:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-12-06 18:18:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 18:18:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 18:18:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-12-06 18:18:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-12-06 18:18:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-06 18:18:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-06 18:18:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 18:18:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 18:18:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-12-06 18:18:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-12-06 18:18:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-06 18:18:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-06 18:18:18,699 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:18:18,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:18:21,273 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:22:08,912 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:22:08,934 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:22:08,935 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 18:22:08,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:22:08 BoogieIcfgContainer [2021-12-06 18:22:08,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:22:08,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:22:08,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:22:08,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:22:08,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:18:10" (1/3) ... [2021-12-06 18:22:08,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6493d2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:22:08, skipping insertion in model container [2021-12-06 18:22:08,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:16" (2/3) ... [2021-12-06 18:22:08,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6493d2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:22:08, skipping insertion in model container [2021-12-06 18:22:08,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:22:08" (3/3) ... [2021-12-06 18:22:08,945 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:22:08,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:22:08,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:22:08,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:22:09,003 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 18:22:09,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:22:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 4224 states, 2787 states have (on average 1.3153928955866523) internal successors, (3666), 2898 states have internal predecessors, (3666), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) [2021-12-06 18:22:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-06 18:22:09,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:22:09,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:09,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:22:09,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:22:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1616884150, now seen corresponding path program 1 times [2021-12-06 18:22:09,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:22:09,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685022719] [2021-12-06 18:22:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:22:09,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:22:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:22:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:22:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:22:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:22:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:10,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:22:10,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:22:10,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685022719] [2021-12-06 18:22:10,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685022719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:22:10,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:22:10,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:22:10,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435213865] [2021-12-06 18:22:10,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:22:10,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:22:10,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:22:10,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:22:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:22:10,195 INFO L87 Difference]: Start difference. First operand has 4224 states, 2787 states have (on average 1.3153928955866523) internal successors, (3666), 2898 states have internal predecessors, (3666), 1222 states have call successors, (1222), 214 states have call predecessors, (1222), 213 states have return successors, (1216), 1207 states have call predecessors, (1216), 1216 states have call successors, (1216) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:22:15,680 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 18:22:29,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:30,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:44,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:52,014 WARN L534 Checker$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 18:22:54,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:56,458 WARN L534 Checker$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 18:22:58,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:00,866 WARN L534 Checker$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 18:23:02,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:08,048 WARN L534 Checker$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 18:23:10,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:12,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:14,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:17,721 WARN L534 Checker$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 18:23:19,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:25,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:27,097 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 18:23:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:23:29,664 INFO L93 Difference]: Finished difference Result 9176 states and 13863 transitions. [2021-12-06 18:23:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:23:29,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2021-12-06 18:23:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:23:29,722 INFO L225 Difference]: With dead ends: 9176 [2021-12-06 18:23:29,722 INFO L226 Difference]: Without dead ends: 4935 [2021-12-06 18:23:29,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:23:29,757 INFO L933 BasicCegarLoop]: 5693 mSDtfsCounter, 1442 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 3817 mSolverCounterSat, 1539 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 5370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1539 IncrementalHoareTripleChecker+Valid, 3817 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:23:29,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1803 Valid, 10665 Invalid, 5370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1539 Valid, 3817 Invalid, 14 Unknown, 0 Unchecked, 78.8s Time] [2021-12-06 18:23:29,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4935 states. [2021-12-06 18:23:29,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4935 to 4203. [2021-12-06 18:23:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4203 states, 2774 states have (on average 1.3107426099495314) internal successors, (3636), 2877 states have internal predecessors, (3636), 1216 states have call successors, (1216), 213 states have call predecessors, (1216), 212 states have return successors, (1207), 1198 states have call predecessors, (1207), 1207 states have call successors, (1207) [2021-12-06 18:23:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 4203 states and 6059 transitions. [2021-12-06 18:23:30,021 INFO L78 Accepts]: Start accepts. Automaton has 4203 states and 6059 transitions. Word has length 50 [2021-12-06 18:23:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:23:30,022 INFO L470 AbstractCegarLoop]: Abstraction has 4203 states and 6059 transitions. [2021-12-06 18:23:30,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:23:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 6059 transitions. [2021-12-06 18:23:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-06 18:23:30,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:23:30,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:23:30,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:23:30,026 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:23:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:30,026 INFO L85 PathProgramCache]: Analyzing trace with hash -228483016, now seen corresponding path program 1 times [2021-12-06 18:23:30,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:30,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180177002] [2021-12-06 18:23:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:30,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:23:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:23:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:23:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:23:30,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:30,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180177002] [2021-12-06 18:23:30,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180177002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:30,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:30,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:23:30,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440546328] [2021-12-06 18:23:30,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:30,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:23:30,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:30,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:23:30,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:23:30,942 INFO L87 Difference]: Start difference. First operand 4203 states and 6059 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:24:16,459 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 18:24:18,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:20,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:23,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:25,395 WARN L534 Checker$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 18:24:27,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:36,342 WARN L534 Checker$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 18:24:38,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:41,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:43,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:46,963 WARN L534 Checker$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 18:24:48,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:53,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:57,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:58,312 WARN L534 Checker$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 18:25:04,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:25:04,527 INFO L93 Difference]: Finished difference Result 5609 states and 8242 transitions. [2021-12-06 18:25:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:25:04,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2021-12-06 18:25:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:25:04,570 INFO L225 Difference]: With dead ends: 5609 [2021-12-06 18:25:04,570 INFO L226 Difference]: Without dead ends: 5606 [2021-12-06 18:25:04,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:25:04,575 INFO L933 BasicCegarLoop]: 5721 mSDtfsCounter, 6752 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 4399 mSolverCounterSat, 3158 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 11523 SdHoareTripleChecker+Invalid, 7569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3158 IncrementalHoareTripleChecker+Valid, 4399 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:25:04,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7459 Valid, 11523 Invalid, 7569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3158 Valid, 4399 Invalid, 12 Unknown, 0 Unchecked, 92.8s Time] [2021-12-06 18:25:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5606 states. [2021-12-06 18:25:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 4760. [2021-12-06 18:25:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 3142 states have (on average 1.3068109484404837) internal successors, (4106), 3261 states have internal predecessors, (4106), 1353 states have call successors, (1353), 265 states have call predecessors, (1353), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-06 18:25:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6804 transitions. [2021-12-06 18:25:04,826 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6804 transitions. Word has length 50 [2021-12-06 18:25:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:25:04,826 INFO L470 AbstractCegarLoop]: Abstraction has 4760 states and 6804 transitions. [2021-12-06 18:25:04,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:25:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6804 transitions. [2021-12-06 18:25:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 18:25:04,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:25:04,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:04,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:25:04,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:25:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:25:04,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1504908142, now seen corresponding path program 1 times [2021-12-06 18:25:04,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:25:04,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691111066] [2021-12-06 18:25:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:25:04,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:25:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:25:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:25:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:25:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:25:05,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:05,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691111066] [2021-12-06 18:25:05,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691111066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:05,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:05,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:25:05,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281009507] [2021-12-06 18:25:05,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:05,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:25:05,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:25:05,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:25:05,572 INFO L87 Difference]: Start difference. First operand 4760 states and 6804 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:25:21,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:38,925 WARN L534 Checker$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 18:25:41,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:43,272 WARN L534 Checker$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 18:25:45,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:47,675 WARN L534 Checker$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 18:25:50,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:57,049 WARN L534 Checker$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 18:25:59,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:02,526 WARN L534 Checker$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 18:26:08,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:10,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:11,588 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 18:26:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:26:13,260 INFO L93 Difference]: Finished difference Result 5608 states and 8240 transitions. [2021-12-06 18:26:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:26:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-06 18:26:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:26:13,300 INFO L225 Difference]: With dead ends: 5608 [2021-12-06 18:26:13,300 INFO L226 Difference]: Without dead ends: 5605 [2021-12-06 18:26:13,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:26:13,305 INFO L933 BasicCegarLoop]: 5712 mSDtfsCounter, 7719 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 4904 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8430 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 7713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4904 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:26:13,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8430 Valid, 9574 Invalid, 7713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4904 Valid, 2800 Invalid, 9 Unknown, 0 Unchecked, 67.0s Time] [2021-12-06 18:26:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5605 states. [2021-12-06 18:26:13,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5605 to 4759. [2021-12-06 18:26:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3142 states have (on average 1.3064926798217695) internal successors, (4105), 3260 states have internal predecessors, (4105), 1352 states have call successors, (1352), 265 states have call predecessors, (1352), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-06 18:26:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6802 transitions. [2021-12-06 18:26:13,519 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6802 transitions. Word has length 51 [2021-12-06 18:26:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:26:13,520 INFO L470 AbstractCegarLoop]: Abstraction has 4759 states and 6802 transitions. [2021-12-06 18:26:13,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:26:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6802 transitions. [2021-12-06 18:26:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 18:26:13,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:26:13,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:13,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:26:13,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:26:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:26:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash -594535941, now seen corresponding path program 1 times [2021-12-06 18:26:13,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:26:13,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979698321] [2021-12-06 18:26:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:26:13,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:26:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:26:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:26:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:26:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:26:14,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:26:14,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979698321] [2021-12-06 18:26:14,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979698321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:26:14,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:26:14,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:26:14,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123917779] [2021-12-06 18:26:14,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:26:14,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:26:14,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:26:14,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:26:14,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:26:14,177 INFO L87 Difference]: Start difference. First operand 4759 states and 6802 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:26:19,148 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 18:26:43,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:50,242 WARN L534 Checker$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 18:26:52,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:54,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:56,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:59,251 WARN L534 Checker$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 18:27:01,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:27:07,939 WARN L534 Checker$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 18:27:10,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:27:13,369 WARN L534 Checker$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 18:27:18,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:27:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:27:22,834 INFO L93 Difference]: Finished difference Result 5607 states and 8238 transitions. [2021-12-06 18:27:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:27:22,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-12-06 18:27:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:27:22,867 INFO L225 Difference]: With dead ends: 5607 [2021-12-06 18:27:22,867 INFO L226 Difference]: Without dead ends: 5604 [2021-12-06 18:27:22,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:27:22,870 INFO L933 BasicCegarLoop]: 5715 mSDtfsCounter, 7720 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 4888 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8429 SdHoareTripleChecker+Valid, 9577 SdHoareTripleChecker+Invalid, 7709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4888 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:27:22,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8429 Valid, 9577 Invalid, 7709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4888 Valid, 2811 Invalid, 10 Unknown, 0 Unchecked, 68.0s Time] [2021-12-06 18:27:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5604 states. [2021-12-06 18:27:23,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5604 to 4758. [2021-12-06 18:27:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3142 states have (on average 1.3061744112030553) internal successors, (4104), 3259 states have internal predecessors, (4104), 1351 states have call successors, (1351), 265 states have call predecessors, (1351), 264 states have return successors, (1345), 1336 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-12-06 18:27:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6800 transitions. [2021-12-06 18:27:23,070 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6800 transitions. Word has length 52 [2021-12-06 18:27:23,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:27:23,071 INFO L470 AbstractCegarLoop]: Abstraction has 4758 states and 6800 transitions. [2021-12-06 18:27:23,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:27:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6800 transitions. [2021-12-06 18:27:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-06 18:27:23,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:27:23,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:23,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:27:23,072 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:27:23,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:27:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1252788207, now seen corresponding path program 1 times [2021-12-06 18:27:23,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:27:23,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753014798] [2021-12-06 18:27:23,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:27:23,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:27:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:27:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:27:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:27:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:27:23,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:27:23,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753014798] [2021-12-06 18:27:23,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753014798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:27:23,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:27:23,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:27:23,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559651284] [2021-12-06 18:27:23,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:27:23,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:27:23,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:27:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:27:23,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:27:23,780 INFO L87 Difference]: Start difference. First operand 4758 states and 6800 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:27:44,329 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 18:28:04,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:06,746 WARN L534 Checker$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 18:28:09,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:11,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:13,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:16,055 WARN L534 Checker$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 18:28:23,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:25,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:29,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:35,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:36,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:28:39,394 INFO L93 Difference]: Finished difference Result 11613 states and 16764 transitions. [2021-12-06 18:28:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:28:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2021-12-06 18:28:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:28:39,445 INFO L225 Difference]: With dead ends: 11613 [2021-12-06 18:28:39,445 INFO L226 Difference]: Without dead ends: 6865 [2021-12-06 18:28:39,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:28:39,464 INFO L933 BasicCegarLoop]: 6431 mSDtfsCounter, 6448 mSDsluCounter, 6203 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 4548 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7099 SdHoareTripleChecker+Valid, 12634 SdHoareTripleChecker+Invalid, 8084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4548 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:28:39,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7099 Valid, 12634 Invalid, 8084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4548 Valid, 3526 Invalid, 10 Unknown, 0 Unchecked, 74.8s Time] [2021-12-06 18:28:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6865 states. [2021-12-06 18:28:39,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6865 to 5810. [2021-12-06 18:28:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 3841 states have (on average 1.2952356157250715) internal successors, (4975), 3981 states have internal predecessors, (4975), 1601 states have call successors, (1601), 369 states have call predecessors, (1601), 367 states have return successors, (1602), 1585 states have call predecessors, (1602), 1593 states have call successors, (1602) [2021-12-06 18:28:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8178 transitions. [2021-12-06 18:28:39,668 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 8178 transitions. Word has length 53 [2021-12-06 18:28:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:28:39,668 INFO L470 AbstractCegarLoop]: Abstraction has 5810 states and 8178 transitions. [2021-12-06 18:28:39,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:28:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 8178 transitions. [2021-12-06 18:28:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-06 18:28:39,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:28:39,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:39,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:28:39,670 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:28:39,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:28:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash -183767106, now seen corresponding path program 1 times [2021-12-06 18:28:39,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:28:39,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473807336] [2021-12-06 18:28:39,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:28:39,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:28:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:28:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:28:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:28:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:28:40,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:28:40,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473807336] [2021-12-06 18:28:40,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473807336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:28:40,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:28:40,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:28:40,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907154616] [2021-12-06 18:28:40,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:28:40,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:28:40,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:28:40,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:28:40,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:28:40,240 INFO L87 Difference]: Start difference. First operand 5810 states and 8178 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:28:44,488 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 18:29:11,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:15,253 WARN L534 Checker$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 18:29:18,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:20,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:22,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:25,192 WARN L534 Checker$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 18:29:27,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:29,636 WARN L534 Checker$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 18:29:36,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:39,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:43,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:48,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:52,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:29:58,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:18,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:21,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:23,644 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 18:30:24,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:30:24,529 INFO L93 Difference]: Finished difference Result 12304 states and 17891 transitions. [2021-12-06 18:30:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:30:24,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-06 18:30:24,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:30:24,587 INFO L225 Difference]: With dead ends: 12304 [2021-12-06 18:30:24,587 INFO L226 Difference]: Without dead ends: 12292 [2021-12-06 18:30:24,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:30:24,598 INFO L933 BasicCegarLoop]: 6556 mSDtfsCounter, 9281 mSDsluCounter, 8369 mSDsCounter, 0 mSdLazyCounter, 4842 mSolverCounterSat, 7175 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10245 SdHoareTripleChecker+Valid, 14925 SdHoareTripleChecker+Invalid, 12031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7175 IncrementalHoareTripleChecker+Valid, 4842 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:30:24,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10245 Valid, 14925 Invalid, 12031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7175 Valid, 4842 Invalid, 14 Unknown, 0 Unchecked, 103.2s Time] [2021-12-06 18:30:24,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12292 states. [2021-12-06 18:30:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12292 to 10696. [2021-12-06 18:30:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10696 states, 7096 states have (on average 1.2979143179255919) internal successors, (9210), 7361 states have internal predecessors, (9210), 2916 states have call successors, (2916), 659 states have call predecessors, (2916), 683 states have return successors, (3083), 2896 states have call predecessors, (3083), 2907 states have call successors, (3083) [2021-12-06 18:30:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10696 states to 10696 states and 15209 transitions. [2021-12-06 18:30:25,027 INFO L78 Accepts]: Start accepts. Automaton has 10696 states and 15209 transitions. Word has length 54 [2021-12-06 18:30:25,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:30:25,028 INFO L470 AbstractCegarLoop]: Abstraction has 10696 states and 15209 transitions. [2021-12-06 18:30:25,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 18:30:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 10696 states and 15209 transitions. [2021-12-06 18:30:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-06 18:30:25,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:30:25,030 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:25,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:30:25,031 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:30:25,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:30:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1109700422, now seen corresponding path program 1 times [2021-12-06 18:30:25,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:30:25,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519009375] [2021-12-06 18:30:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:30:25,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:30:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:30:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:30:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 18:30:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:30:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 18:30:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 18:30:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 18:30:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 18:30:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 18:30:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 18:30:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:30:25,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:30:25,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519009375] [2021-12-06 18:30:25,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519009375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:30:25,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:30:25,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:30:25,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176854588] [2021-12-06 18:30:25,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:30:25,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:30:25,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:30:25,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:30:25,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:30:25,873 INFO L87 Difference]: Start difference. First operand 10696 states and 15209 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)