./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/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_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:13:12,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:13:12,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:13:12,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:13:12,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:13:12,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:13:12,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:13:12,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:13:12,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:13:12,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:13:12,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:13:12,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:13:12,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:13:12,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:13:12,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:13:12,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:13:12,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:13:12,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:13:12,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:13:12,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:13:12,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:13:12,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:13:12,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:13:12,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:13:12,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:13:12,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:13:12,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:13:12,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:13:12,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:13:12,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:13:12,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:13:12,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:13:12,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:13:12,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:13:12,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:13:12,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:13:12,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:13:12,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:13:12,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:13:12,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:13:12,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:13:12,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 09:13:12,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:13:12,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:13:12,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:13:12,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:13:12,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:13:12,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:13:12,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:13:12,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:13:12,737 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:13:12,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:13:12,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:13:12,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:13:12,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:13:12,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:13:12,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:13:12,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:13:12,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:13:12,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:13:12,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:13:12,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:13:12,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:13:12,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:13:12,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:13:12,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:13:12,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:13:12,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:13:12,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:13:12,743 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:13:12,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:13:12,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:13:12,744 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_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4688b1ddb31359a921bfca23d47e7e923ff98a1afc48ce8e9cab3f87b203bbb [2022-11-21 09:13:13,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:13:13,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:13:13,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:13:13,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:13:13,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:13:13,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 09:13:16,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:13:17,166 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:13:17,167 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/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 [2022-11-21 09:13:17,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/data/b51975338/6f9bdd89a25b4f2893d221bf4c08c39e/FLAG757f76cc4 [2022-11-21 09:13:17,287 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/data/b51975338/6f9bdd89a25b4f2893d221bf4c08c39e [2022-11-21 09:13:17,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:13:17,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:13:17,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:13:17,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:13:17,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:13:17,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:17" (1/1) ... [2022-11-21 09:13:17,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5799f39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:17, skipping insertion in model container [2022-11-21 09:13:17,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:17" (1/1) ... [2022-11-21 09:13:17,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:13:17,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:13:24,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/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] [2022-11-21 09:13:25,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:13:25,180 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:13:26,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/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] [2022-11-21 09:13:26,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:13:26,423 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:13:26,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26 WrapperNode [2022-11-21 09:13:26,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:13:26,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:13:26,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:13:26,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:13:26,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:26,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:27,221 INFO L138 Inliner]: procedures = 748, calls = 8931, calls flagged for inlining = 319, calls inlined = 304, statements flattened = 16065 [2022-11-21 09:13:27,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:13:27,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:13:27,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:13:27,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:13:27,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:27,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:27,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:27,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:13:28,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:13:28,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:13:28,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:13:28,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (1/1) ... [2022-11-21 09:13:28,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:13:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:13:28,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:13:28,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f5ef8c-7782-4245-b5cf-cd2cff64762e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:13:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 09:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 09:13:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-21 09:13:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-21 09:13:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2022-11-21 09:13:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2022-11-21 09:13:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2022-11-21 09:13:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2022-11-21 09:13:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2022-11-21 09:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2022-11-21 09:13:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 09:13:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 09:13:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-21 09:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-21 09:13:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-21 09:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-21 09:13:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2022-11-21 09:13:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2022-11-21 09:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2022-11-21 09:13:28,603 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2022-11-21 09:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 09:13:28,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 09:13:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-21 09:13:28,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-21 09:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2022-11-21 09:13:28,604 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2022-11-21 09:13:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-21 09:13:28,604 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-21 09:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2022-11-21 09:13:28,605 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2022-11-21 09:13:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2022-11-21 09:13:28,605 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2022-11-21 09:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2022-11-21 09:13:28,606 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2022-11-21 09:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2022-11-21 09:13:28,606 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2022-11-21 09:13:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2022-11-21 09:13:28,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2022-11-21 09:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2022-11-21 09:13:28,607 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2022-11-21 09:13:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-21 09:13:28,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-21 09:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 09:13:28,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 09:13:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2022-11-21 09:13:28,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2022-11-21 09:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-11-21 09:13:28,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-11-21 09:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2022-11-21 09:13:28,609 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2022-11-21 09:13:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 09:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2022-11-21 09:13:28,610 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2022-11-21 09:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-21 09:13:28,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-21 09:13:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2022-11-21 09:13:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2022-11-21 09:13:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-21 09:13:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-21 09:13:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2022-11-21 09:13:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2022-11-21 09:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 09:13:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 09:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:13:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2022-11-21 09:13:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2022-11-21 09:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 09:13:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 09:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2022-11-21 09:13:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2022-11-21 09:13:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2022-11-21 09:13:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2022-11-21 09:13:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2022-11-21 09:13:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2022-11-21 09:13:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2022-11-21 09:13:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2022-11-21 09:13:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-21 09:13:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-21 09:13:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 09:13:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 09:13:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2022-11-21 09:13:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2022-11-21 09:13:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-21 09:13:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-21 09:13:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 09:13:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 09:13:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 09:13:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 09:13:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-21 09:13:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-21 09:13:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2022-11-21 09:13:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2022-11-21 09:13:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2022-11-21 09:13:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2022-11-21 09:13:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2022-11-21 09:13:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_setup_mutex_of_zd_usb_rx [2022-11-21 09:13:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2022-11-21 09:13:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2022-11-21 09:13:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:13:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2022-11-21 09:13:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2022-11-21 09:13:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2022-11-21 09:13:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2022-11-21 09:13:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2022-11-21 09:13:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2022-11-21 09:13:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2022-11-21 09:13:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2022-11-21 09:13:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2022-11-21 09:13:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2022-11-21 09:13:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2022-11-21 09:13:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2022-11-21 09:13:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 09:13:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 09:13:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2022-11-21 09:13:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2022-11-21 09:13:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 09:13:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 09:13:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2022-11-21 09:13:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2022-11-21 09:13:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-21 09:13:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-21 09:13:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2022-11-21 09:13:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2022-11-21 09:13:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2022-11-21 09:13:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2022-11-21 09:13:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2022-11-21 09:13:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2022-11-21 09:13:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2022-11-21 09:13:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2022-11-21 09:13:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 09:13:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 09:13:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-21 09:13:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-21 09:13:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:13:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2022-11-21 09:13:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2022-11-21 09:13:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2022-11-21 09:13:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2022-11-21 09:13:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-21 09:13:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-21 09:13:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2022-11-21 09:13:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2022-11-21 09:13:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2022-11-21 09:13:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2022-11-21 09:13:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:13:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-21 09:13:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-21 09:13:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2022-11-21 09:13:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2022-11-21 09:13:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 09:13:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2022-11-21 09:13:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2022-11-21 09:13:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 09:13:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 09:13:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 09:13:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 09:13:28,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 09:13:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2022-11-21 09:13:28,631 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2022-11-21 09:13:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-11-21 09:13:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-11-21 09:13:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 09:13:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 09:13:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2022-11-21 09:13:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2022-11-21 09:13:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 09:13:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 09:13:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2022-11-21 09:13:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2022-11-21 09:13:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2022-11-21 09:13:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2022-11-21 09:13:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2022-11-21 09:13:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2022-11-21 09:13:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-21 09:13:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-21 09:13:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-21 09:13:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-21 09:13:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2022-11-21 09:13:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2022-11-21 09:13:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2022-11-21 09:13:28,635 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2022-11-21 09:13:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2022-11-21 09:13:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2022-11-21 09:13:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2022-11-21 09:13:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2022-11-21 09:13:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2022-11-21 09:13:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2022-11-21 09:13:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2022-11-21 09:13:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2022-11-21 09:13:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-21 09:13:28,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-21 09:13:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 09:13:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 09:13:28,638 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2022-11-21 09:13:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2022-11-21 09:13:28,638 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 09:13:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 09:13:28,638 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2022-11-21 09:13:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2022-11-21 09:13:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2022-11-21 09:13:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2022-11-21 09:13:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-21 09:13:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-21 09:13:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2022-11-21 09:13:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2022-11-21 09:13:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 09:13:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 09:13:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 09:13:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 09:13:28,641 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2022-11-21 09:13:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2022-11-21 09:13:28,641 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-21 09:13:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-21 09:13:28,641 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2022-11-21 09:13:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2022-11-21 09:13:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2022-11-21 09:13:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2022-11-21 09:13:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:13:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:13:28,643 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-21 09:13:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-21 09:13:28,643 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2022-11-21 09:13:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2022-11-21 09:13:28,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-21 09:13:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-21 09:13:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 09:13:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 09:13:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2022-11-21 09:13:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2022-11-21 09:13:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2022-11-21 09:13:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2022-11-21 09:13:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2022-11-21 09:13:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2022-11-21 09:13:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-21 09:13:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-21 09:13:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 09:13:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 09:13:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2022-11-21 09:13:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2022-11-21 09:13:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 09:13:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 09:13:28,647 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 09:13:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 09:13:28,647 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2022-11-21 09:13:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2022-11-21 09:13:28,647 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2022-11-21 09:13:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2022-11-21 09:13:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-21 09:13:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-21 09:13:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-21 09:13:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-21 09:13:28,649 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2022-11-21 09:13:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2022-11-21 09:13:28,649 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2022-11-21 09:13:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2022-11-21 09:13:28,650 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2022-11-21 09:13:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2022-11-21 09:13:28,650 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2022-11-21 09:13:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2022-11-21 09:13:28,650 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2022-11-21 09:13:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2022-11-21 09:13:28,651 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-11-21 09:13:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-11-21 09:13:28,651 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2022-11-21 09:13:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2022-11-21 09:13:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 09:13:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 09:13:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-21 09:13:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-21 09:13:28,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 09:13:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 09:13:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-21 09:13:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-21 09:13:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2022-11-21 09:13:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2022-11-21 09:13:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 09:13:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 09:13:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 09:13:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 09:13:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2022-11-21 09:13:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2022-11-21 09:13:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2022-11-21 09:13:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2022-11-21 09:13:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 09:13:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 09:13:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 09:13:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 09:13:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-21 09:13:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-21 09:13:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-21 09:13:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-21 09:13:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:13:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 09:13:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 09:13:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2022-11-21 09:13:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2022-11-21 09:13:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2022-11-21 09:13:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2022-11-21 09:13:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2022-11-21 09:13:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2022-11-21 09:13:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 09:13:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-21 09:13:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-21 09:13:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-21 09:13:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-21 09:13:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2022-11-21 09:13:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2022-11-21 09:13:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 09:13:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2022-11-21 09:13:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2022-11-21 09:13:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-21 09:13:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-21 09:13:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-21 09:13:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-21 09:13:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-21 09:13:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-21 09:13:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 09:13:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 09:13:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-21 09:13:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-21 09:13:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 09:13:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 09:13:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2022-11-21 09:13:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2022-11-21 09:13:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2022-11-21 09:13:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2022-11-21 09:13:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2022-11-21 09:13:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2022-11-21 09:13:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-21 09:13:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-21 09:13:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 09:13:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 09:13:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-21 09:13:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-21 09:13:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2022-11-21 09:13:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2022-11-21 09:13:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-21 09:13:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-21 09:13:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-21 09:13:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-21 09:13:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2022-11-21 09:13:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2022-11-21 09:13:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2022-11-21 09:13:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2022-11-21 09:13:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2022-11-21 09:13:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2022-11-21 09:13:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-21 09:13:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-21 09:13:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2022-11-21 09:13:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2022-11-21 09:13:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2022-11-21 09:13:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2022-11-21 09:13:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2022-11-21 09:13:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2022-11-21 09:13:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 09:13:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 09:13:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 09:13:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 09:13:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2022-11-21 09:13:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2022-11-21 09:13:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-21 09:13:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-21 09:13:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 09:13:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 09:13:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-21 09:13:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-21 09:13:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2022-11-21 09:13:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2022-11-21 09:13:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:13:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2022-11-21 09:13:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2022-11-21 09:13:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2022-11-21 09:13:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2022-11-21 09:13:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 09:13:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 09:13:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 09:13:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 09:13:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags___0 [2022-11-21 09:13:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags___0 [2022-11-21 09:13:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2022-11-21 09:13:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2022-11-21 09:13:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2022-11-21 09:13:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2022-11-21 09:13:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2022-11-21 09:13:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2022-11-21 09:13:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 09:13:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 09:13:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2022-11-21 09:13:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2022-11-21 09:13:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2022-11-21 09:13:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2022-11-21 09:13:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2022-11-21 09:13:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2022-11-21 09:13:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2022-11-21 09:13:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2022-11-21 09:13:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-21 09:13:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-21 09:13:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-21 09:13:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-21 09:13:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2022-11-21 09:13:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2022-11-21 09:13:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_zd_chip [2022-11-21 09:13:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_zd_chip [2022-11-21 09:13:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2022-11-21 09:13:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_setup_mutex_of_zd_usb_rx [2022-11-21 09:13:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_zd_chip [2022-11-21 09:13:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_zd_chip [2022-11-21 09:13:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2022-11-21 09:13:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2022-11-21 09:13:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2022-11-21 09:13:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2022-11-21 09:13:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-21 09:13:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-21 09:13:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2022-11-21 09:13:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2022-11-21 09:13:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-21 09:13:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-21 09:13:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-21 09:13:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-21 09:13:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2022-11-21 09:13:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2022-11-21 09:13:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 09:13:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 09:13:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2022-11-21 09:13:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2022-11-21 09:13:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2022-11-21 09:13:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2022-11-21 09:13:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 09:13:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 09:13:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2022-11-21 09:13:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2022-11-21 09:13:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2022-11-21 09:13:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2022-11-21 09:13:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2022-11-21 09:13:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2022-11-21 09:13:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2022-11-21 09:13:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2022-11-21 09:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2022-11-21 09:13:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2022-11-21 09:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-21 09:13:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-21 09:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2022-11-21 09:13:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2022-11-21 09:13:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 09:13:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 09:13:30,475 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:13:30,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:13:31,045 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 09:17:44,136 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:17:44,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:17:44,237 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:17:44,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:17:44 BoogieIcfgContainer [2022-11-21 09:17:44,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:17:44,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:17:44,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:17:44,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:17:44,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:13:17" (1/3) ... [2022-11-21 09:17:44,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d410c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:17:44, skipping insertion in model container [2022-11-21 09:17:44,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:26" (2/3) ... [2022-11-21 09:17:44,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d410c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:17:44, skipping insertion in model container [2022-11-21 09:17:44,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:17:44" (3/3) ... [2022-11-21 09:17:44,260 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-21 09:17:44,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:17:44,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:17:44,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:17:44,426 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@efce772, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:17:44,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:17:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 4211 states, 2774 states have (on average 1.3154289834174477) internal successors, (3649), 2885 states have internal predecessors, (3649), 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) [2022-11-21 09:17:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 09:17:44,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:17:44,472 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:17:44,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:17:44,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:17:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1745740532, now seen corresponding path program 1 times [2022-11-21 09:17:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:17:44,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317533591] [2022-11-21 09:17:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:17:44,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:17:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:17:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:17:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:17:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:17:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:17:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:17:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:17:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:17:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:17:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:17:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:17:46,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317533591] [2022-11-21 09:17:46,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317533591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:17:46,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:17:46,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 09:17:46,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940929663] [2022-11-21 09:17:46,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:17:46,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:17:46,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:17:46,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:17:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:17:46,214 INFO L87 Difference]: Start difference. First operand has 4211 states, 2774 states have (on average 1.3154289834174477) internal successors, (3649), 2885 states have internal predecessors, (3649), 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) [2022-11-21 09:18:10,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:12,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:26,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:28,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:29,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:37,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:39,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:41,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:43,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:46,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:48,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:54,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:56,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:18:58,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:01,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:04,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:06,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:08,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:09,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:11,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:13,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:15,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:19,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:19:19,888 INFO L93 Difference]: Finished difference Result 9153 states and 13905 transitions. [2022-11-21 09:19:19,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:19:19,891 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 [2022-11-21 09:19:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:19:19,945 INFO L225 Difference]: With dead ends: 9153 [2022-11-21 09:19:19,945 INFO L226 Difference]: Without dead ends: 4925 [2022-11-21 09:19:19,978 INFO L412 NwaCegarLoop]: 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 [2022-11-21 09:19:19,981 INFO L413 NwaCegarLoop]: 5180 mSDtfsCounter, 1547 mSDsluCounter, 4923 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 1442 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 10103 SdHoareTripleChecker+Invalid, 5771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1442 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.9s IncrementalHoareTripleChecker+Time [2022-11-21 09:19:19,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 10103 Invalid, 5771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1442 Valid, 4314 Invalid, 15 Unknown, 0 Unchecked, 92.9s Time] [2022-11-21 09:19:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2022-11-21 09:19:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 4190. [2022-11-21 09:19:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4190 states, 2761 states have (on average 1.3100325968851865) internal successors, (3617), 2864 states have internal predecessors, (3617), 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) [2022-11-21 09:19:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 6040 transitions. [2022-11-21 09:19:20,376 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 6040 transitions. Word has length 50 [2022-11-21 09:19:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:19:20,377 INFO L495 AbstractCegarLoop]: Abstraction has 4190 states and 6040 transitions. [2022-11-21 09:19:20,378 INFO L496 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) [2022-11-21 09:19:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 6040 transitions. [2022-11-21 09:19:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 09:19:20,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:19:20,384 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:19:20,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:19:20,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:19:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:19:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash 703859598, now seen corresponding path program 1 times [2022-11-21 09:19:20,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:19:20,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610157079] [2022-11-21 09:19:20,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:19:20,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:19:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:19:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:19:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:19:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:19:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:19:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:19:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:19:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:19:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:19:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:19:22,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:19:22,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610157079] [2022-11-21 09:19:22,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610157079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:19:22,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:19:22,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:19:22,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274863625] [2022-11-21 09:19:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:19:22,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:19:22,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:19:22,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:19:22,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:19:22,031 INFO L87 Difference]: Start difference. First operand 4190 states and 6040 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) [2022-11-21 09:19:50,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:19:51,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:07,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:09,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:10,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:16,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:19,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:21,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:23,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:26,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:28,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:30,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:35,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:37,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:44,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:47,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:49,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:53,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:55,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:20:59,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:01,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:03,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:05,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:07,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:08,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:10,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:11,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:13,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:21:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:21:15,088 INFO L93 Difference]: Finished difference Result 5599 states and 8226 transitions. [2022-11-21 09:21:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:21:15,089 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 [2022-11-21 09:21:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:21:15,129 INFO L225 Difference]: With dead ends: 5599 [2022-11-21 09:21:15,129 INFO L226 Difference]: Without dead ends: 5596 [2022-11-21 09:21:15,132 INFO L412 NwaCegarLoop]: 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 [2022-11-21 09:21:15,133 INFO L413 NwaCegarLoop]: 5227 mSDtfsCounter, 6975 mSDsluCounter, 5672 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 2897 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7683 SdHoareTripleChecker+Valid, 10899 SdHoareTripleChecker+Invalid, 7886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2897 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:21:15,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7683 Valid, 10899 Invalid, 7886 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2897 Valid, 4974 Invalid, 15 Unknown, 0 Unchecked, 112.3s Time] [2022-11-21 09:21:15,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2022-11-21 09:21:15,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4747. [2022-11-21 09:21:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4747 states, 3129 states have (on average 1.3058485139022051) internal successors, (4086), 3248 states have internal predecessors, (4086), 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) [2022-11-21 09:21:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4747 states to 4747 states and 6784 transitions. [2022-11-21 09:21:15,437 INFO L78 Accepts]: Start accepts. Automaton has 4747 states and 6784 transitions. Word has length 50 [2022-11-21 09:21:15,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:21:15,439 INFO L495 AbstractCegarLoop]: Abstraction has 4747 states and 6784 transitions. [2022-11-21 09:21:15,440 INFO L496 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) [2022-11-21 09:21:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 4747 states and 6784 transitions. [2022-11-21 09:21:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 09:21:15,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:21:15,445 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:21:15,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:21:15,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:21:15,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:21:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash 342756894, now seen corresponding path program 1 times [2022-11-21 09:21:15,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:21:15,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782146056] [2022-11-21 09:21:15,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:21:15,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:21:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:21:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:21:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:21:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:21:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:21:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:21:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:21:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:21:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:21:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:21:16,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:21:16,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782146056] [2022-11-21 09:21:16,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782146056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:21:16,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:21:16,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:21:16,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968207524] [2022-11-21 09:21:16,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:21:16,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:21:16,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:21:16,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:21:16,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:21:16,769 INFO L87 Difference]: Start difference. First operand 4747 states and 6784 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) [2022-11-21 09:21:45,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:01,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:02,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:04,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:12,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:15,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:17,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:19,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:21,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:24,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:28,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:34,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:37,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:40,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:44,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:46,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:48,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:50,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:52,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:53,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:55,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:22:59,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:22:59,784 INFO L93 Difference]: Finished difference Result 5598 states and 8224 transitions. [2022-11-21 09:22:59,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:22:59,786 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 [2022-11-21 09:22:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:22:59,824 INFO L225 Difference]: With dead ends: 5598 [2022-11-21 09:22:59,825 INFO L226 Difference]: Without dead ends: 5595 [2022-11-21 09:22:59,829 INFO L412 NwaCegarLoop]: 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 [2022-11-21 09:22:59,832 INFO L413 NwaCegarLoop]: 5178 mSDtfsCounter, 7013 mSDsluCounter, 5654 mSDsCounter, 0 mSdLazyCounter, 4978 mSolverCounterSat, 2915 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7721 SdHoareTripleChecker+Valid, 10832 SdHoareTripleChecker+Invalid, 7904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2915 IncrementalHoareTripleChecker+Valid, 4978 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.2s IncrementalHoareTripleChecker+Time [2022-11-21 09:22:59,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7721 Valid, 10832 Invalid, 7904 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2915 Valid, 4978 Invalid, 11 Unknown, 0 Unchecked, 102.2s Time] [2022-11-21 09:22:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5595 states. [2022-11-21 09:23:00,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5595 to 4746. [2022-11-21 09:23:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4746 states, 3129 states have (on average 1.3055289229785874) internal successors, (4085), 3247 states have internal predecessors, (4085), 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) [2022-11-21 09:23:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4746 states to 4746 states and 6782 transitions. [2022-11-21 09:23:00,176 INFO L78 Accepts]: Start accepts. Automaton has 4746 states and 6782 transitions. Word has length 51 [2022-11-21 09:23:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:23:00,178 INFO L495 AbstractCegarLoop]: Abstraction has 4746 states and 6782 transitions. [2022-11-21 09:23:00,179 INFO L496 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) [2022-11-21 09:23:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 6782 transitions. [2022-11-21 09:23:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 09:23:00,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:23:00,182 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:23:00,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:23:00,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:23:00,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:23:00,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2033479825, now seen corresponding path program 1 times [2022-11-21 09:23:00,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:23:00,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552063074] [2022-11-21 09:23:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:23:00,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:23:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:23:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:23:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:23:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:23:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:23:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:23:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:23:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:23:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:23:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:23:01,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:23:01,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552063074] [2022-11-21 09:23:01,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552063074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:23:01,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:23:01,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:23:01,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306617970] [2022-11-21 09:23:01,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:23:01,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:23:01,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:23:01,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:23:01,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:23:01,472 INFO L87 Difference]: Start difference. First operand 4746 states and 6782 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) [2022-11-21 09:23:29,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:23:30,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:23:49,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:23:57,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:00,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:02,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:05,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:07,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:09,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:13,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:19,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:22,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:26,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:30,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:31,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:36,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:37,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:38,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:40,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:42,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:43,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:44,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:24:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:24:46,849 INFO L93 Difference]: Finished difference Result 5956 states and 8713 transitions. [2022-11-21 09:24:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:24:46,850 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 [2022-11-21 09:24:46,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:24:46,892 INFO L225 Difference]: With dead ends: 5956 [2022-11-21 09:24:46,892 INFO L226 Difference]: Without dead ends: 5953 [2022-11-21 09:24:46,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:24:46,898 INFO L413 NwaCegarLoop]: 5191 mSDtfsCounter, 6965 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 2898 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7677 SdHoareTripleChecker+Valid, 10829 SdHoareTripleChecker+Invalid, 7879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2898 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.4s IncrementalHoareTripleChecker+Time [2022-11-21 09:24:46,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7677 Valid, 10829 Invalid, 7879 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2898 Valid, 4971 Invalid, 10 Unknown, 0 Unchecked, 104.4s Time] [2022-11-21 09:24:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5953 states. [2022-11-21 09:24:47,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5953 to 5031. [2022-11-21 09:24:47,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5031 states, 3314 states have (on average 1.303258901629451) internal successors, (4319), 3443 states have internal predecessors, (4319), 1423 states have call successors, (1423), 294 states have call predecessors, (1423), 293 states have return successors, (1417), 1408 states have call predecessors, (1417), 1417 states have call successors, (1417) [2022-11-21 09:24:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 7159 transitions. [2022-11-21 09:24:47,254 INFO L78 Accepts]: Start accepts. Automaton has 5031 states and 7159 transitions. Word has length 52 [2022-11-21 09:24:47,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:24:47,254 INFO L495 AbstractCegarLoop]: Abstraction has 5031 states and 7159 transitions. [2022-11-21 09:24:47,254 INFO L496 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) [2022-11-21 09:24:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 7159 transitions. [2022-11-21 09:24:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 09:24:47,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:24:47,259 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:24:47,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:24:47,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:24:47,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:24:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1388679295, now seen corresponding path program 1 times [2022-11-21 09:24:47,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:24:47,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303473085] [2022-11-21 09:24:47,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:24:47,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:24:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:24:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:24:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:24:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:24:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:24:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:24:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:24:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:24:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:24:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:24:48,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:24:48,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303473085] [2022-11-21 09:24:48,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303473085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:24:48,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:24:48,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:24:48,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921750530] [2022-11-21 09:24:48,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:24:48,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:24:48,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:24:48,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:24:48,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:24:48,682 INFO L87 Difference]: Start difference. First operand 5031 states and 7159 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) [2022-11-21 09:25:15,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:26,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:31,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:36,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:39,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:41,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:44,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:46,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:48,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:50,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:25:59,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:01,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:05,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:10,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:14,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:15,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:26:17,969 INFO L93 Difference]: Finished difference Result 12225 states and 17582 transitions. [2022-11-21 09:26:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 09:26:17,970 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 [2022-11-21 09:26:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:26:18,023 INFO L225 Difference]: With dead ends: 12225 [2022-11-21 09:26:18,023 INFO L226 Difference]: Without dead ends: 7204 [2022-11-21 09:26:18,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:26:18,050 INFO L413 NwaCegarLoop]: 5803 mSDtfsCounter, 6627 mSDsluCounter, 5815 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 4347 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7275 SdHoareTripleChecker+Valid, 11618 SdHoareTripleChecker+Invalid, 8822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4347 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:26:18,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7275 Valid, 11618 Invalid, 8822 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4347 Valid, 4465 Invalid, 10 Unknown, 0 Unchecked, 88.3s Time] [2022-11-21 09:26:18,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7204 states. [2022-11-21 09:26:18,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7204 to 6072. [2022-11-21 09:26:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6072 states, 4002 states have (on average 1.2926036981509246) internal successors, (5173), 4154 states have internal predecessors, (5173), 1673 states have call successors, (1673), 398 states have call predecessors, (1673), 396 states have return successors, (1674), 1657 states have call predecessors, (1674), 1665 states have call successors, (1674) [2022-11-21 09:26:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6072 states to 6072 states and 8520 transitions. [2022-11-21 09:26:18,470 INFO L78 Accepts]: Start accepts. Automaton has 6072 states and 8520 transitions. Word has length 53 [2022-11-21 09:26:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:26:18,470 INFO L495 AbstractCegarLoop]: Abstraction has 6072 states and 8520 transitions. [2022-11-21 09:26:18,471 INFO L496 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) [2022-11-21 09:26:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 6072 states and 8520 transitions. [2022-11-21 09:26:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 09:26:18,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:26:18,472 INFO L195 NwaCegarLoop]: 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] [2022-11-21 09:26:18,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:26:18,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:26:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:26:18,473 INFO L85 PathProgramCache]: Analyzing trace with hash -101424748, now seen corresponding path program 1 times [2022-11-21 09:26:18,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:26:18,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289822053] [2022-11-21 09:26:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:26:18,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:26:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:26:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:26:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:26:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 09:26:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:26:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 09:26:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:26:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 09:26:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:26:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:26:19,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:26:19,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289822053] [2022-11-21 09:26:19,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289822053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:26:19,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:26:19,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:26:19,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398037460] [2022-11-21 09:26:19,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:26:19,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:26:19,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:26:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:26:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:26:19,634 INFO L87 Difference]: Start difference. First operand 6072 states and 8520 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) [2022-11-21 09:26:43,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:55,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:26:57,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:03,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:05,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:07,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:10,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:12,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:14,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:23,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:25,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:29,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 09:27:36,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []