./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8 --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- 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-e04fb08 [2022-11-16 11:08:57,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:08:57,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:08:57,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:08:57,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:08:57,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:08:57,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:08:57,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:08:57,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:08:57,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:08:57,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:08:57,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:08:57,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:08:57,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:08:57,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:08:57,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:08:57,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:08:57,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:08:57,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:08:57,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:08:57,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:08:57,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:08:57,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:08:57,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:08:57,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:08:57,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:08:57,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:08:57,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:08:57,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:08:57,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:08:57,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:08:57,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:08:57,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:08:57,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:08:57,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:08:57,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:08:57,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:08:57,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:08:57,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:08:57,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:08:57,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:08:57,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:08:57,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:08:57,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:08:57,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:08:57,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:08:57,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:08:57,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:08:57,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:08:57,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:08:57,768 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:08:57,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:08:57,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:08:57,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:08:57,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:08:57,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:08:57,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:08:57,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:08:57,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:08:57,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:08:57,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:08:57,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:08:57,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:08:57,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:57,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:08:57,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:08:57,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:08:57,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:08:57,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:08:57,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:08:57,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:08:57,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:08:57,773 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_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-16 11:08:58,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:08:58,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:08:58,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:08:58,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:08:58,047 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:08:58,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 11:08:58,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/data/0bb70e8e8/f5f7ae0b948e4c149691a001a2cf991d/FLAGc02c71620 [2022-11-16 11:08:59,357 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:08:59,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 11:08:59,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/data/0bb70e8e8/f5f7ae0b948e4c149691a001a2cf991d/FLAGc02c71620 [2022-11-16 11:08:59,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/data/0bb70e8e8/f5f7ae0b948e4c149691a001a2cf991d [2022-11-16 11:08:59,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:08:59,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:08:59,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:59,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:08:59,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:08:59,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:59" (1/1) ... [2022-11-16 11:08:59,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230e50ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:59, skipping insertion in model container [2022-11-16 11:08:59,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:59" (1/1) ... [2022-11-16 11:08:59,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:08:59,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:01,321 WARN L229 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_a17eff30-9d20-4325-8295-1e46dcce50f9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-16 11:09:08,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:08,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:08,560 WARN L229 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_a17eff30-9d20-4325-8295-1e46dcce50f9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-16 11:09:09,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:09,453 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:09,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09 WrapperNode [2022-11-16 11:09:09,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:09,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:09,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:09,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:09,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:09,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,022 INFO L138 Inliner]: procedures = 713, calls = 6665, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13204 [2022-11-16 11:09:10,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:10,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:10,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:10,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:10,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:10,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:10,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:10,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:10,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (1/1) ... [2022-11-16 11:09:10,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:10,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:10,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:10,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-16 11:09:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-16 11:09:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-16 11:09:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-16 11:09:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:09:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:09:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-16 11:09:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-16 11:09:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-16 11:09:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-16 11:09:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-16 11:09:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-16 11:09:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 11:09:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 11:09:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-16 11:09:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-16 11:09:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-16 11:09:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-16 11:09:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-16 11:09:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-16 11:09:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-16 11:09:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-16 11:09:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 11:09:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 11:09:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-16 11:09:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-16 11:09:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:09:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:09:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-16 11:09:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-16 11:09:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-16 11:09:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-16 11:09:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 11:09:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-16 11:09:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-16 11:09:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-16 11:09:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-16 11:09:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-16 11:09:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-16 11:09:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-16 11:09:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-16 11:09:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-16 11:09:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-16 11:09:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-16 11:09:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-16 11:09:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-16 11:09:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 11:09:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 11:09:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-16 11:09:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-16 11:09:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-16 11:09:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-16 11:09:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-16 11:09:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-16 11:09:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-16 11:09:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-16 11:09:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-16 11:09:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-16 11:09:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-16 11:09:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-16 11:09:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-16 11:09:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-16 11:09:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:09:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:09:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-16 11:09:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-16 11:09:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-16 11:09:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-16 11:09:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-16 11:09:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-16 11:09:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-16 11:09:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-16 11:09:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-16 11:09:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-16 11:09:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-16 11:09:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-16 11:09:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-16 11:09:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-16 11:09:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-16 11:09:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-16 11:09:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-16 11:09:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:09:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:09:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-16 11:09:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-16 11:09:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-16 11:09:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-16 11:09:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-16 11:09:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-16 11:09:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-16 11:09:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-16 11:09:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-16 11:09:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-16 11:09:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:09:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-16 11:09:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-16 11:09:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-16 11:09:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-16 11:09:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-16 11:09:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-16 11:09:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 11:09:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 11:09:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-16 11:09:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-16 11:09:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-16 11:09:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-16 11:09:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 11:09:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-16 11:09:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-16 11:09:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-16 11:09:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:09:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:09:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-16 11:09:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-16 11:09:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-16 11:09:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-16 11:09:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-16 11:09:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-16 11:09:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-16 11:09:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-16 11:09:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:09:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:09:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-16 11:09:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-16 11:09:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 11:09:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:09:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:09:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-16 11:09:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-16 11:09:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-16 11:09:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-16 11:09:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-16 11:09:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-16 11:09:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-16 11:09:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-16 11:09:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:09:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-16 11:09:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-16 11:09:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:09:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:09:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-16 11:09:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-16 11:09:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-16 11:09:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-16 11:09:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 11:09:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-16 11:09:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-16 11:09:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-16 11:09:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-16 11:09:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-16 11:09:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:09:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:09:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-16 11:09:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-16 11:09:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-16 11:09:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-16 11:09:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-16 11:09:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-16 11:09:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-16 11:09:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-16 11:09:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-16 11:09:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-16 11:09:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:09:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:09:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-16 11:09:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-16 11:09:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-16 11:09:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-16 11:09:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-16 11:09:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-16 11:09:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-16 11:09:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-16 11:09:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-16 11:09:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 11:09:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-16 11:09:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:09:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-16 11:09:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-16 11:09:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-16 11:09:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-16 11:09:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-16 11:09:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-16 11:09:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-16 11:09:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-16 11:09:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-16 11:09:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-16 11:09:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-16 11:09:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-16 11:09:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-16 11:09:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-16 11:09:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:09:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:09:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-16 11:09:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-16 11:09:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:09:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:09:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 11:09:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-16 11:09:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-16 11:09:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-16 11:09:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 11:09:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 11:09:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 11:09:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 11:09:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-16 11:09:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-16 11:09:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-16 11:09:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-16 11:09:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-16 11:09:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-16 11:09:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:09:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:09:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-16 11:09:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-16 11:09:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 11:09:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 11:09:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 11:09:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 11:09:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:09:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:09:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-16 11:09:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-16 11:09:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-16 11:09:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-16 11:09:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 11:09:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-16 11:09:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-16 11:09:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-16 11:09:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 11:09:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 11:09:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-16 11:09:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-16 11:09:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-16 11:09:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-16 11:09:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:09:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:09:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:09:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:09:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-16 11:09:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-16 11:09:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:09:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:09:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-16 11:09:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-16 11:09:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-16 11:09:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-16 11:09:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:09:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-16 11:09:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-16 11:09:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-16 11:09:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-16 11:09:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:09:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-16 11:09:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:09:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:09:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:09:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 11:09:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 11:09:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-16 11:09:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-16 11:09:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 11:09:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 11:09:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-16 11:09:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-16 11:09:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-16 11:09:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-16 11:09:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-16 11:09:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-16 11:09:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-16 11:09:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-16 11:09:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-16 11:09:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-16 11:09:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-16 11:09:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-16 11:09:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-16 11:09:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:09:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:09:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-16 11:09:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-16 11:09:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:09:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:09:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:09:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:09:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-16 11:09:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-16 11:09:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 11:09:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 11:09:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 11:09:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-16 11:09:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:09:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:09:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-16 11:09:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-16 11:09:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:09:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:09:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:09:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:09:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 11:09:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-16 11:09:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 11:09:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 11:09:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-16 11:09:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-16 11:09:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-16 11:09:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-16 11:09:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 11:09:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 11:09:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-16 11:09:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-16 11:09:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-16 11:09:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-16 11:09:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-16 11:09:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-16 11:09:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-16 11:09:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-16 11:09:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 11:09:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-16 11:09:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:09:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:09:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:09:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-16 11:09:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-16 11:09:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:09:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-16 11:09:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-16 11:09:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-16 11:09:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-16 11:09:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-16 11:09:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-16 11:09:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-16 11:09:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-16 11:09:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-16 11:09:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-16 11:09:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-16 11:09:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-16 11:09:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-16 11:09:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-16 11:09:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-16 11:09:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-16 11:09:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:09:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-16 11:09:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-16 11:09:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-16 11:09:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-16 11:09:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-16 11:09:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-16 11:09:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-16 11:09:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-16 11:09:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:09:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-16 11:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-16 11:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-16 11:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-16 11:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-16 11:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-16 11:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 11:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 11:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 11:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 11:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-16 11:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-16 11:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-16 11:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-16 11:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-16 11:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-16 11:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-16 11:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-16 11:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-16 11:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-16 11:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-16 11:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 11:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-16 11:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-16 11:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-16 11:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-16 11:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-16 11:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-16 11:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-16 11:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-16 11:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-16 11:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-16 11:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 11:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 11:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 11:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-16 11:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-16 11:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-16 11:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 11:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 11:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-16 11:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-16 11:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-16 11:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-16 11:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-16 11:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-16 11:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-16 11:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-16 11:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 11:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 11:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-16 11:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-16 11:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-16 11:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-16 11:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-16 11:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-16 11:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-16 11:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-16 11:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-16 11:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-16 11:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 11:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-16 11:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-16 11:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-16 11:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-16 11:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-16 11:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-16 11:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-16 11:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 11:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 11:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-16 11:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-16 11:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-16 11:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-16 11:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-16 11:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-16 11:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-16 11:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-16 11:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-16 11:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-16 11:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-16 11:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-16 11:09:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-16 11:09:12,690 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:12,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:09:13,642 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:09:30,214 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:09:30,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:09:30,255 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 11:09:30,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:30 BoogieIcfgContainer [2022-11-16 11:09:30,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:09:30,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:09:30,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:09:30,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:09:30,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:08:59" (1/3) ... [2022-11-16 11:09:30,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caf0716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:30, skipping insertion in model container [2022-11-16 11:09:30,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:09" (2/3) ... [2022-11-16 11:09:30,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caf0716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:30, skipping insertion in model container [2022-11-16 11:09:30,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:30" (3/3) ... [2022-11-16 11:09:30,284 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-16 11:09:30,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:09:30,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:09:30,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:09:30,481 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;@692cdb60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:09:30,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:09:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 4570 states, 3075 states have (on average 1.3560975609756099) internal successors, (4170), 3184 states have internal predecessors, (4170), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-16 11:09:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 11:09:30,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:30,525 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:30,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:30,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:30,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1802333508, now seen corresponding path program 1 times [2022-11-16 11:09:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:30,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246865896] [2022-11-16 11:09:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:09:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:09:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:09:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:32,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246865896] [2022-11-16 11:09:32,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246865896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:32,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:32,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:09:32,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930178837] [2022-11-16 11:09:32,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:32,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:09:32,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:32,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:09:32,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:09:32,179 INFO L87 Difference]: Start difference. First operand has 4570 states, 3075 states have (on average 1.3560975609756099) internal successors, (4170), 3184 states have internal predecessors, (4170), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:09:42,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:09:46,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:09:56,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:10:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:01,406 INFO L93 Difference]: Finished difference Result 14610 states and 22532 transitions. [2022-11-16 11:10:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:01,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-16 11:10:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:01,549 INFO L225 Difference]: With dead ends: 14610 [2022-11-16 11:10:01,549 INFO L226 Difference]: Without dead ends: 10005 [2022-11-16 11:10:01,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:01,617 INFO L413 NwaCegarLoop]: 6666 mSDtfsCounter, 8938 mSDsluCounter, 7846 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 3500 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9869 SdHoareTripleChecker+Valid, 14512 SdHoareTripleChecker+Invalid, 9668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3500 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:01,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9869 Valid, 14512 Invalid, 9668 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3500 Valid, 6167 Invalid, 1 Unknown, 0 Unchecked, 27.8s Time] [2022-11-16 11:10:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10005 states. [2022-11-16 11:10:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10005 to 9006. [2022-11-16 11:10:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9006 states, 6079 states have (on average 1.345287053791742) internal successors, (8178), 6262 states have internal predecessors, (8178), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2022-11-16 11:10:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 13059 transitions. [2022-11-16 11:10:02,496 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 13059 transitions. Word has length 41 [2022-11-16 11:10:02,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:02,498 INFO L495 AbstractCegarLoop]: Abstraction has 9006 states and 13059 transitions. [2022-11-16 11:10:02,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:10:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 13059 transitions. [2022-11-16 11:10:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:10:02,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:02,506 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:02,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:10:02,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:02,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash 651279805, now seen corresponding path program 1 times [2022-11-16 11:10:02,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:02,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703430089] [2022-11-16 11:10:02,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:02,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:10:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:10:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:10:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:10:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:04,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703430089] [2022-11-16 11:10:04,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703430089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:04,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:04,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:10:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534016749] [2022-11-16 11:10:04,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:04,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:04,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:04,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:04,252 INFO L87 Difference]: Start difference. First operand 9006 states and 13059 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:10:22,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:10:28,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:10:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:38,359 INFO L93 Difference]: Finished difference Result 28969 states and 43958 transitions. [2022-11-16 11:10:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:10:38,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-16 11:10:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:38,566 INFO L225 Difference]: With dead ends: 28969 [2022-11-16 11:10:38,567 INFO L226 Difference]: Without dead ends: 19965 [2022-11-16 11:10:38,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:10:38,651 INFO L413 NwaCegarLoop]: 7177 mSDtfsCounter, 8808 mSDsluCounter, 20127 mSDsCounter, 0 mSdLazyCounter, 12362 mSolverCounterSat, 3419 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9677 SdHoareTripleChecker+Valid, 27304 SdHoareTripleChecker+Invalid, 15782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3419 IncrementalHoareTripleChecker+Valid, 12362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:38,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9677 Valid, 27304 Invalid, 15782 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3419 Valid, 12362 Invalid, 1 Unknown, 0 Unchecked, 32.5s Time] [2022-11-16 11:10:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19965 states. [2022-11-16 11:10:39,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19965 to 18260. [2022-11-16 11:10:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18260 states, 12332 states have (on average 1.344712941939669) internal successors, (16583), 12715 states have internal predecessors, (16583), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2022-11-16 11:10:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18260 states to 18260 states and 27175 transitions. [2022-11-16 11:10:40,154 INFO L78 Accepts]: Start accepts. Automaton has 18260 states and 27175 transitions. Word has length 51 [2022-11-16 11:10:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:40,156 INFO L495 AbstractCegarLoop]: Abstraction has 18260 states and 27175 transitions. [2022-11-16 11:10:40,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:10:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 18260 states and 27175 transitions. [2022-11-16 11:10:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-16 11:10:40,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:40,184 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:40,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:10:40,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:40,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1393947615, now seen corresponding path program 1 times [2022-11-16 11:10:40,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:40,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636288143] [2022-11-16 11:10:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:10:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:10:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:10:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:10:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:10:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:10:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:10:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:10:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:10:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:10:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:10:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:10:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-16 11:10:41,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:41,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636288143] [2022-11-16 11:10:41,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636288143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:41,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:41,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:10:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823711232] [2022-11-16 11:10:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:41,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:10:41,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:10:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:41,791 INFO L87 Difference]: Start difference. First operand 18260 states and 27175 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:10:55,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:10:56,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:00,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:22,156 INFO L93 Difference]: Finished difference Result 60106 states and 91538 transitions. [2022-11-16 11:11:22,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:11:22,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2022-11-16 11:11:22,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:22,456 INFO L225 Difference]: With dead ends: 60106 [2022-11-16 11:11:22,457 INFO L226 Difference]: Without dead ends: 41855 [2022-11-16 11:11:22,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:11:22,564 INFO L413 NwaCegarLoop]: 6172 mSDtfsCounter, 15627 mSDsluCounter, 9915 mSDsCounter, 0 mSdLazyCounter, 10126 mSolverCounterSat, 10756 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16653 SdHoareTripleChecker+Valid, 16087 SdHoareTripleChecker+Invalid, 20883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10756 IncrementalHoareTripleChecker+Valid, 10126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:22,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16653 Valid, 16087 Invalid, 20883 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10756 Valid, 10126 Invalid, 1 Unknown, 0 Unchecked, 37.8s Time] [2022-11-16 11:11:22,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41855 states. [2022-11-16 11:11:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41855 to 36872. [2022-11-16 11:11:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36872 states, 24938 states have (on average 1.3453765338038335) internal successors, (33551), 25725 states have internal predecessors, (33551), 9852 states have call successors, (9852), 1938 states have call predecessors, (9852), 2081 states have return successors, (11664), 9713 states have call predecessors, (11664), 9851 states have call successors, (11664) [2022-11-16 11:11:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36872 states to 36872 states and 55067 transitions. [2022-11-16 11:11:25,270 INFO L78 Accepts]: Start accepts. Automaton has 36872 states and 55067 transitions. Word has length 147 [2022-11-16 11:11:25,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:25,272 INFO L495 AbstractCegarLoop]: Abstraction has 36872 states and 55067 transitions. [2022-11-16 11:11:25,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:11:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 36872 states and 55067 transitions. [2022-11-16 11:11:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-16 11:11:25,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:25,294 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:25,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:11:25,294 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1280269943, now seen corresponding path program 1 times [2022-11-16 11:11:25,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:25,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775828516] [2022-11-16 11:11:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:11:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:11:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:11:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 11:11:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 11:11:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 11:11:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:11:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:11:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:11:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:11:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:11:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:11:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-16 11:11:26,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:26,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775828516] [2022-11-16 11:11:26,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775828516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:26,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:26,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:11:26,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655597583] [2022-11-16 11:11:26,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:26,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:11:26,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:26,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:11:26,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:11:26,888 INFO L87 Difference]: Start difference. First operand 36872 states and 55067 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:11:39,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:43,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:59,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:07,366 INFO L93 Difference]: Finished difference Result 119994 states and 182852 transitions. [2022-11-16 11:12:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:12:07,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2022-11-16 11:12:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:08,125 INFO L225 Difference]: With dead ends: 119994 [2022-11-16 11:12:08,125 INFO L226 Difference]: Without dead ends: 83131 [2022-11-16 11:12:08,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:12:08,363 INFO L413 NwaCegarLoop]: 6201 mSDtfsCounter, 9937 mSDsluCounter, 12321 mSDsCounter, 0 mSdLazyCounter, 13466 mSolverCounterSat, 4288 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10955 SdHoareTripleChecker+Valid, 18522 SdHoareTripleChecker+Invalid, 17755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4288 IncrementalHoareTripleChecker+Valid, 13466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:08,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10955 Valid, 18522 Invalid, 17755 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4288 Valid, 13466 Invalid, 1 Unknown, 0 Unchecked, 36.3s Time] [2022-11-16 11:12:08,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83131 states. [2022-11-16 11:12:13,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83131 to 73176. [2022-11-16 11:12:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73176 states, 49510 states have (on average 1.3459705110078772) internal successors, (66639), 51085 states have internal predecessors, (66639), 19504 states have call successors, (19504), 3874 states have call predecessors, (19504), 4161 states have return successors, (23092), 19225 states have call predecessors, (23092), 19503 states have call successors, (23092) [2022-11-16 11:12:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73176 states to 73176 states and 109235 transitions. [2022-11-16 11:12:14,179 INFO L78 Accepts]: Start accepts. Automaton has 73176 states and 109235 transitions. Word has length 151 [2022-11-16 11:12:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:14,180 INFO L495 AbstractCegarLoop]: Abstraction has 73176 states and 109235 transitions. [2022-11-16 11:12:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:12:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 73176 states and 109235 transitions. [2022-11-16 11:12:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-16 11:12:14,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:14,201 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:14,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:12:14,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2040214340, now seen corresponding path program 1 times [2022-11-16 11:12:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:14,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166862610] [2022-11-16 11:12:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:14,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:12:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:12:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:12:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 11:12:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:12:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:12:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:12:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:12:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:12:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:12:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:12:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-16 11:12:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-16 11:12:15,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:15,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166862610] [2022-11-16 11:12:15,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166862610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:15,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:15,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:12:15,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613531872] [2022-11-16 11:12:15,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:15,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:12:15,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:15,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:12:15,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:12:15,468 INFO L87 Difference]: Start difference. First operand 73176 states and 109235 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:12:29,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:45,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:54,137 INFO L93 Difference]: Finished difference Result 238546 states and 363356 transitions. [2022-11-16 11:12:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:12:54,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2022-11-16 11:12:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:55,654 INFO L225 Difference]: With dead ends: 238546 [2022-11-16 11:12:55,654 INFO L226 Difference]: Without dead ends: 165379 [2022-11-16 11:12:55,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:12:55,987 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 12803 mSDsluCounter, 10095 mSDsCounter, 0 mSdLazyCounter, 10145 mSolverCounterSat, 7446 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13825 SdHoareTripleChecker+Valid, 16397 SdHoareTripleChecker+Invalid, 17592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7446 IncrementalHoareTripleChecker+Valid, 10145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:55,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13825 Valid, 16397 Invalid, 17592 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7446 Valid, 10145 Invalid, 1 Unknown, 0 Unchecked, 30.0s Time] [2022-11-16 11:12:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165379 states. [2022-11-16 11:13:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165379 to 145488. [2022-11-16 11:13:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145488 states, 98446 states have (on average 1.3460272636775492) internal successors, (132511), 101597 states have internal predecessors, (132511), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2022-11-16 11:13:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145488 states to 145488 states and 217083 transitions. [2022-11-16 11:13:05,317 INFO L78 Accepts]: Start accepts. Automaton has 145488 states and 217083 transitions. Word has length 148 [2022-11-16 11:13:05,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:05,318 INFO L495 AbstractCegarLoop]: Abstraction has 145488 states and 217083 transitions. [2022-11-16 11:13:05,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:13:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 145488 states and 217083 transitions. [2022-11-16 11:13:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-16 11:13:05,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:05,337 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:05,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:13:05,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:05,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:05,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2119403728, now seen corresponding path program 1 times [2022-11-16 11:13:05,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:05,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572501556] [2022-11-16 11:13:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:05,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:13:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:13:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:13:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:13:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:13:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:13:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:13:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:13:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:13:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-16 11:13:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:13:07,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:07,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572501556] [2022-11-16 11:13:07,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572501556] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:13:07,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033438774] [2022-11-16 11:13:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:07,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:13:07,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:13:07,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:13:07,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17eff30-9d20-4325-8295-1e46dcce50f9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:13:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:10,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 7041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:13:10,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:13:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-16 11:13:10,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:13:10,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033438774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:10,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:13:10,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-11-16 11:13:10,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171979299] [2022-11-16 11:13:10,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:10,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:13:10,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:10,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:13:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:13:10,349 INFO L87 Difference]: Start difference. First operand 145488 states and 217083 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)