./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--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/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--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:53:22,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:53:22,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:53:22,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:53:22,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:53:22,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:53:22,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:53:22,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:53:22,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:53:22,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:53:22,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:53:22,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:53:22,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:53:22,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:53:22,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:53:22,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:53:22,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:53:22,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:53:22,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:53:22,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:53:22,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:53:22,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:53:22,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:53:22,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:53:22,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:53:22,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:53:22,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:53:22,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:53:22,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:53:22,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:53:22,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:53:22,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:53:22,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:53:22,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:53:22,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:53:22,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:53:22,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:53:22,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:53:22,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:53:22,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:53:22,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:53:22,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:53:22,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:53:22,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:53:22,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:53:22,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:53:22,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:53:22,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:53:22,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:53:22,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:53:22,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:53:22,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:53:22,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:53:22,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:53:22,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:53:22,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:53:22,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:53:22,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:53:22,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:53:22,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:53:22,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:53:22,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:53:22,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:53:22,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:53:22,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:53:22,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:53:22,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:53:22,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:53:22,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:53:22,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:53:22,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:53:22,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:53:22,609 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_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-18 19:53:22,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:53:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:53:22,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:53:22,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:53:22,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:53:22,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:53:22,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/1961cea62/a3aefba6c1434def9e3e451e2780d918/FLAG77ed01d71 [2022-11-18 19:53:23,795 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:53:23,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:53:23,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/1961cea62/a3aefba6c1434def9e3e451e2780d918/FLAG77ed01d71 [2022-11-18 19:53:24,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/1961cea62/a3aefba6c1434def9e3e451e2780d918 [2022-11-18 19:53:24,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:53:24,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:53:24,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:53:24,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:53:24,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:53:24,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:53:24" (1/1) ... [2022-11-18 19:53:24,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8c1dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:24, skipping insertion in model container [2022-11-18 19:53:24,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:53:24" (1/1) ... [2022-11-18 19:53:24,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:53:24,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:53:25,332 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-18 19:53:25,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:53:25,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:53:26,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-18 19:53:26,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:53:26,351 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:53:26,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26 WrapperNode [2022-11-18 19:53:26,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:53:26,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:53:26,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:53:26,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:53:26,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,511 INFO L138 Inliner]: procedures = 175, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1862 [2022-11-18 19:53:26,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:53:26,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:53:26,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:53:26,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:53:26,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:53:26,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:53:26,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:53:26,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:53:26,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (1/1) ... [2022-11-18 19:53:26,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:53:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:53:26,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:53:26,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:53:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-18 19:53:26,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-18 19:53:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:53:26,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:53:26,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-18 19:53:26,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-18 19:53:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:53:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:53:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:53:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 19:53:26,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 19:53:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:53:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:53:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:53:26,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:53:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:53:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 19:53:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 19:53:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-18 19:53:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-18 19:53:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-18 19:53:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-18 19:53:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 19:53:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 19:53:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:53:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:53:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:53:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:53:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-18 19:53:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-18 19:53:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 19:53:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 19:53:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:53:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:53:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-18 19:53:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-18 19:53:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:53:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-18 19:53:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-18 19:53:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:53:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:53:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:53:26,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:53:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-18 19:53:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-18 19:53:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-18 19:53:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-18 19:53:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-18 19:53:26,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-18 19:53:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-18 19:53:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-18 19:53:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 19:53:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:53:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:53:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:53:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:53:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-18 19:53:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-18 19:53:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:53:26,840 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-18 19:53:26,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-18 19:53:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:53:26,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:53:26,841 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-18 19:53:26,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-18 19:53:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:53:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-18 19:53:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-18 19:53:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-18 19:53:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-18 19:53:26,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:53:26,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:53:26,843 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:53:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:53:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:53:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 19:53:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 19:53:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 19:53:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 19:53:26,844 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-18 19:53:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-18 19:53:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 19:53:26,845 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-18 19:53:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-18 19:53:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 19:53:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 19:53:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:53:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:53:26,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-18 19:53:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-18 19:53:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:53:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:53:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-18 19:53:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-18 19:53:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:53:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:53:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 19:53:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 19:53:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-18 19:53:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-18 19:53:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 19:53:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 19:53:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-18 19:53:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-18 19:53:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:53:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:53:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:53:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-18 19:53:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-18 19:53:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 19:53:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 19:53:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 19:53:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 19:53:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:53:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-18 19:53:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:53:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:53:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:53:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:53:27,603 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:53:27,606 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:53:27,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:53:30,827 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:53:30,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:53:30,849 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 19:53:30,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:53:30 BoogieIcfgContainer [2022-11-18 19:53:30,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:53:30,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:53:30,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:53:30,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:53:30,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:53:24" (1/3) ... [2022-11-18 19:53:30,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cb205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:53:30, skipping insertion in model container [2022-11-18 19:53:30,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:53:26" (2/3) ... [2022-11-18 19:53:30,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cb205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:53:30, skipping insertion in model container [2022-11-18 19:53:30,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:53:30" (3/3) ... [2022-11-18 19:53:30,869 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:53:30,890 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:53:30,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:53:30,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:53:30,997 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;@132e2266, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:53:30,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:53:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-18 19:53:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 19:53:31,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:31,024 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-18 19:53:31,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:53:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:31,030 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-18 19:53:31,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247771349] [2022-11-18 19:53:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:31,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:53:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:53:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:53:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:53:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:53:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:53:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:53:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:53:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:53:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:53:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-18 19:53:32,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:32,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247771349] [2022-11-18 19:53:32,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247771349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:32,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:32,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:53:32,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967105833] [2022-11-18 19:53:32,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:32,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:53:32,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:32,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:53:32,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:53:32,065 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:53:37,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:37,685 INFO L93 Difference]: Finished difference Result 2389 states and 3509 transitions. [2022-11-18 19:53:37,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:53:37,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2022-11-18 19:53:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:37,726 INFO L225 Difference]: With dead ends: 2389 [2022-11-18 19:53:37,726 INFO L226 Difference]: Without dead ends: 1652 [2022-11-18 19:53:37,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:53:37,745 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 1876 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 928 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2476 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 928 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:37,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2476 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [928 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-18 19:53:37,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-11-18 19:53:37,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1380. [2022-11-18 19:53:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 991 states have (on average 1.3319878910191725) internal successors, (1320), 1007 states have internal predecessors, (1320), 292 states have call successors, (292), 97 states have call predecessors, (292), 96 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-18 19:53:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1903 transitions. [2022-11-18 19:53:37,976 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1903 transitions. Word has length 96 [2022-11-18 19:53:37,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:37,977 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1903 transitions. [2022-11-18 19:53:37,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:53:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1903 transitions. [2022-11-18 19:53:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 19:53:37,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:37,984 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2022-11-18 19:53:37,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:53:37,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:53:37,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:37,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1399573305, now seen corresponding path program 1 times [2022-11-18 19:53:37,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:37,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171697626] [2022-11-18 19:53:37,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:53:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:53:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:53:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:53:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:53:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:53:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:53:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:53:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:53:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:53:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:53:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 19:53:38,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:38,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171697626] [2022-11-18 19:53:38,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171697626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:38,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:38,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:53:38,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182711449] [2022-11-18 19:53:38,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:38,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:53:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:38,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:53:38,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:53:38,739 INFO L87 Difference]: Start difference. First operand 1380 states and 1903 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:53:40,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:45,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:45,553 INFO L93 Difference]: Finished difference Result 4611 states and 6546 transitions. [2022-11-18 19:53:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:53:45,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 107 [2022-11-18 19:53:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:45,579 INFO L225 Difference]: With dead ends: 4611 [2022-11-18 19:53:45,579 INFO L226 Difference]: Without dead ends: 3255 [2022-11-18 19:53:45,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:53:45,586 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 1914 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 3385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 911 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:45,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 3919 Invalid, 3385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [911 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-18 19:53:45,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-11-18 19:53:45,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2757. [2022-11-18 19:53:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 1982 states have (on average 1.3335015136226034) internal successors, (2643), 2018 states have internal predecessors, (2643), 574 states have call successors, (574), 193 states have call predecessors, (574), 200 states have return successors, (613), 575 states have call predecessors, (613), 573 states have call successors, (613) [2022-11-18 19:53:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3830 transitions. [2022-11-18 19:53:45,780 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3830 transitions. Word has length 107 [2022-11-18 19:53:45,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:45,782 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3830 transitions. [2022-11-18 19:53:45,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:53:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3830 transitions. [2022-11-18 19:53:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-18 19:53:45,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:45,805 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:53:45,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:53:45,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:53:45,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2034232719, now seen corresponding path program 1 times [2022-11-18 19:53:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:45,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230560256] [2022-11-18 19:53:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:45,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:53:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:53:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:53:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:53:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:53:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:53:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:53:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:53:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:53:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:53:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:53:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:53:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 19:53:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:53:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:53:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:53:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 19:53:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-18 19:53:46,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:46,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230560256] [2022-11-18 19:53:46,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230560256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:46,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:46,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:53:46,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356900948] [2022-11-18 19:53:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:46,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:53:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:53:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:53:46,620 INFO L87 Difference]: Start difference. First operand 2757 states and 3830 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:53:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:51,940 INFO L93 Difference]: Finished difference Result 8161 states and 11469 transitions. [2022-11-18 19:53:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:53:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 239 [2022-11-18 19:53:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:51,977 INFO L225 Difference]: With dead ends: 8161 [2022-11-18 19:53:51,977 INFO L226 Difference]: Without dead ends: 5434 [2022-11-18 19:53:51,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:53:51,992 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 2386 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 1445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:51,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 2217 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1445 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 19:53:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2022-11-18 19:53:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 4567. [2022-11-18 19:53:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4567 states, 3264 states have (on average 1.3321078431372548) internal successors, (4348), 3324 states have internal predecessors, (4348), 930 states have call successors, (930), 349 states have call predecessors, (930), 372 states have return successors, (1005), 937 states have call predecessors, (1005), 929 states have call successors, (1005) [2022-11-18 19:53:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6283 transitions. [2022-11-18 19:53:52,337 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6283 transitions. Word has length 239 [2022-11-18 19:53:52,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:52,339 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6283 transitions. [2022-11-18 19:53:52,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:53:52,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6283 transitions. [2022-11-18 19:53:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-18 19:53:52,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:52,354 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:53:52,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:53:52,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:53:52,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1752236842, now seen corresponding path program 1 times [2022-11-18 19:53:52,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:52,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890559814] [2022-11-18 19:53:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:52,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:53:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:53:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:53:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:53:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:53:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:53:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:53:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:53:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:53:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:53:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:53:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:53:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:53:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:53:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:53:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:53:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-18 19:53:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-11-18 19:53:53,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:53,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890559814] [2022-11-18 19:53:53,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890559814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:53,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:53,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:53:53,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061486904] [2022-11-18 19:53:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:53,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:53:53,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:53,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:53:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:53:53,103 INFO L87 Difference]: Start difference. First operand 4567 states and 6283 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:53:54,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:56,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:02,535 INFO L93 Difference]: Finished difference Result 11917 states and 16560 transitions. [2022-11-18 19:54:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 221 [2022-11-18 19:54:02,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:02,578 INFO L225 Difference]: With dead ends: 11917 [2022-11-18 19:54:02,579 INFO L226 Difference]: Without dead ends: 7380 [2022-11-18 19:54:02,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:02,595 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 1270 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 584 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 2862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:02,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 2794 Invalid, 2862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 2277 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-18 19:54:02,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7380 states. [2022-11-18 19:54:02,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7380 to 6274. [2022-11-18 19:54:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6274 states, 4521 states have (on average 1.320946693209467) internal successors, (5972), 4615 states have internal predecessors, (5972), 1233 states have call successors, (1233), 484 states have call predecessors, (1233), 519 states have return successors, (1339), 1244 states have call predecessors, (1339), 1232 states have call successors, (1339) [2022-11-18 19:54:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 8544 transitions. [2022-11-18 19:54:02,990 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 8544 transitions. Word has length 221 [2022-11-18 19:54:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:02,991 INFO L495 AbstractCegarLoop]: Abstraction has 6274 states and 8544 transitions. [2022-11-18 19:54:02,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:54:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 8544 transitions. [2022-11-18 19:54:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-18 19:54:03,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:03,011 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:03,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:54:03,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash -714366218, now seen corresponding path program 1 times [2022-11-18 19:54:03,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:03,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289386975] [2022-11-18 19:54:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:54:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:54:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:54:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-18 19:54:03,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:03,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289386975] [2022-11-18 19:54:03,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289386975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:03,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:03,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:54:03,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584015895] [2022-11-18 19:54:03,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:03,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:03,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:03,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:03,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:03,861 INFO L87 Difference]: Start difference. First operand 6274 states and 8544 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:54:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:10,807 INFO L93 Difference]: Finished difference Result 16653 states and 23006 transitions. [2022-11-18 19:54:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:10,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2022-11-18 19:54:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:10,862 INFO L225 Difference]: With dead ends: 16653 [2022-11-18 19:54:10,863 INFO L226 Difference]: Without dead ends: 10424 [2022-11-18 19:54:10,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:10,884 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 1712 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 2769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:10,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 2613 Invalid, 2769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-18 19:54:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2022-11-18 19:54:11,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 8732. [2022-11-18 19:54:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 6299 states have (on average 1.315764407048738) internal successors, (8288), 6423 states have internal predecessors, (8288), 1675 states have call successors, (1675), 710 states have call predecessors, (1675), 757 states have return successors, (1814), 1690 states have call predecessors, (1814), 1674 states have call successors, (1814) [2022-11-18 19:54:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 11777 transitions. [2022-11-18 19:54:11,495 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 11777 transitions. Word has length 256 [2022-11-18 19:54:11,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:11,495 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 11777 transitions. [2022-11-18 19:54:11,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:54:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 11777 transitions. [2022-11-18 19:54:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-18 19:54:11,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:11,515 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:11,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:54:11,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:11,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1119103755, now seen corresponding path program 1 times [2022-11-18 19:54:11,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:11,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576700176] [2022-11-18 19:54:11,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:11,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:54:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:54:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:54:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-18 19:54:12,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:12,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576700176] [2022-11-18 19:54:12,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576700176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:12,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:12,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:54:12,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477600335] [2022-11-18 19:54:12,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:12,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:12,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:12,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:12,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:12,127 INFO L87 Difference]: Start difference. First operand 8732 states and 11777 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:54:13,739 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 [] [2022-11-18 19:54:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:18,963 INFO L93 Difference]: Finished difference Result 25963 states and 35559 transitions. [2022-11-18 19:54:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:18,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 236 [2022-11-18 19:54:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:19,052 INFO L225 Difference]: With dead ends: 25963 [2022-11-18 19:54:19,053 INFO L226 Difference]: Without dead ends: 17276 [2022-11-18 19:54:19,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:19,085 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 1939 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 1045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:19,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 2750 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-18 19:54:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17276 states. [2022-11-18 19:54:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17276 to 14274. [2022-11-18 19:54:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14274 states, 10407 states have (on average 1.2943211300086481) internal successors, (13470), 10617 states have internal predecessors, (13470), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-18 19:54:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 18830 transitions. [2022-11-18 19:54:20,190 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 18830 transitions. Word has length 236 [2022-11-18 19:54:20,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:20,191 INFO L495 AbstractCegarLoop]: Abstraction has 14274 states and 18830 transitions. [2022-11-18 19:54:20,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:54:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 18830 transitions. [2022-11-18 19:54:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-18 19:54:20,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:20,217 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:20,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:54:20,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:20,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:20,218 INFO L85 PathProgramCache]: Analyzing trace with hash -97311997, now seen corresponding path program 1 times [2022-11-18 19:54:20,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:20,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56176374] [2022-11-18 19:54:20,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:20,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:54:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:54:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-18 19:54:21,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:21,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56176374] [2022-11-18 19:54:21,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56176374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:21,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:21,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:54:21,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188639957] [2022-11-18 19:54:21,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:21,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:21,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:21,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:21,052 INFO L87 Difference]: Start difference. First operand 14274 states and 18830 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:54:22,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:26,725 INFO L93 Difference]: Finished difference Result 24624 states and 33281 transitions. [2022-11-18 19:54:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:26,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 236 [2022-11-18 19:54:26,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:26,795 INFO L225 Difference]: With dead ends: 24624 [2022-11-18 19:54:26,796 INFO L226 Difference]: Without dead ends: 17295 [2022-11-18 19:54:26,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:54:26,819 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 556 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:26,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2135 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-18 19:54:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17295 states. [2022-11-18 19:54:27,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17295 to 14302. [2022-11-18 19:54:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 10435 states have (on average 1.2935313847628174) internal successors, (13498), 10645 states have internal predecessors, (13498), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-18 19:54:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 18858 transitions. [2022-11-18 19:54:27,819 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 18858 transitions. Word has length 236 [2022-11-18 19:54:27,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:27,820 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 18858 transitions. [2022-11-18 19:54:27,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:54:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 18858 transitions. [2022-11-18 19:54:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-18 19:54:27,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:27,845 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:27,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:54:27,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:27,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1197752283, now seen corresponding path program 1 times [2022-11-18 19:54:27,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:27,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21842069] [2022-11-18 19:54:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:27,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-18 19:54:28,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:28,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21842069] [2022-11-18 19:54:28,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21842069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:28,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:28,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:54:28,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913683460] [2022-11-18 19:54:28,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:28,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:28,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:28,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:28,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:28,743 INFO L87 Difference]: Start difference. First operand 14302 states and 18858 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-18 19:54:29,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:33,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:33,552 INFO L93 Difference]: Finished difference Result 31600 states and 42366 transitions. [2022-11-18 19:54:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:33,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 237 [2022-11-18 19:54:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:33,629 INFO L225 Difference]: With dead ends: 31600 [2022-11-18 19:54:33,629 INFO L226 Difference]: Without dead ends: 17343 [2022-11-18 19:54:33,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:54:33,668 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 551 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:33,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 2122 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-18 19:54:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17343 states. [2022-11-18 19:54:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17343 to 14326. [2022-11-18 19:54:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14326 states, 10459 states have (on average 1.292857825795965) internal successors, (13522), 10669 states have internal predecessors, (13522), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-18 19:54:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14326 states to 14326 states and 18882 transitions. [2022-11-18 19:54:34,508 INFO L78 Accepts]: Start accepts. Automaton has 14326 states and 18882 transitions. Word has length 237 [2022-11-18 19:54:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:34,509 INFO L495 AbstractCegarLoop]: Abstraction has 14326 states and 18882 transitions. [2022-11-18 19:54:34,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-18 19:54:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14326 states and 18882 transitions. [2022-11-18 19:54:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-18 19:54:34,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:34,534 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:34,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:54:34,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:34,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:34,535 INFO L85 PathProgramCache]: Analyzing trace with hash -877853559, now seen corresponding path program 1 times [2022-11-18 19:54:34,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:34,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716269794] [2022-11-18 19:54:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:34,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-18 19:54:35,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:35,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716269794] [2022-11-18 19:54:35,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716269794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:35,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501024130] [2022-11-18 19:54:35,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:35,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:35,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:35,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:35,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:54:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:36,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 19:54:36,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-18 19:54:36,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-18 19:54:38,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501024130] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:38,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:54:38,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 21 [2022-11-18 19:54:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210803292] [2022-11-18 19:54:38,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:38,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:54:38,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:54:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:54:38,435 INFO L87 Difference]: Start difference. First operand 14326 states and 18882 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-18 19:54:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:46,784 INFO L93 Difference]: Finished difference Result 38372 states and 53122 transitions. [2022-11-18 19:54:46,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:54:46,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 239 [2022-11-18 19:54:46,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:46,975 INFO L225 Difference]: With dead ends: 38372 [2022-11-18 19:54:46,975 INFO L226 Difference]: Without dead ends: 31017 [2022-11-18 19:54:47,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 525 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2022-11-18 19:54:47,015 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 4227 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 1897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 6199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:47,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4388 Valid, 4952 Invalid, 6199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1897 Valid, 4302 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-18 19:54:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31017 states. [2022-11-18 19:54:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31017 to 22134. [2022-11-18 19:54:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22134 states, 16125 states have (on average 1.2922790697674418) internal successors, (20838), 16475 states have internal predecessors, (20838), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-18 19:54:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 29391 transitions. [2022-11-18 19:54:48,762 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 29391 transitions. Word has length 239 [2022-11-18 19:54:48,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:48,763 INFO L495 AbstractCegarLoop]: Abstraction has 22134 states and 29391 transitions. [2022-11-18 19:54:48,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-18 19:54:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 29391 transitions. [2022-11-18 19:54:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-18 19:54:48,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:48,786 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:48,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:48,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:48,996 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:48,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1491187656, now seen corresponding path program 1 times [2022-11-18 19:54:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:48,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337483127] [2022-11-18 19:54:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:48,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:54:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-18 19:54:50,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:50,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337483127] [2022-11-18 19:54:50,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337483127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:50,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:50,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:54:50,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152394483] [2022-11-18 19:54:50,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:50,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:54:50,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:50,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:54:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:54:50,115 INFO L87 Difference]: Start difference. First operand 22134 states and 29391 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:54:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:55,696 INFO L93 Difference]: Finished difference Result 48864 states and 66342 transitions. [2022-11-18 19:54:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:55,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 241 [2022-11-18 19:54:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:55,814 INFO L225 Difference]: With dead ends: 48864 [2022-11-18 19:54:55,814 INFO L226 Difference]: Without dead ends: 26775 [2022-11-18 19:54:55,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:54:55,865 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 997 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 2748 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 2748 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-18 19:54:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-11-18 19:54:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 22106. [2022-11-18 19:54:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22106 states, 16097 states have (on average 1.2901782940920667) internal successors, (20768), 16447 states have internal predecessors, (20768), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-18 19:54:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22106 states to 22106 states and 29321 transitions. [2022-11-18 19:54:57,763 INFO L78 Accepts]: Start accepts. Automaton has 22106 states and 29321 transitions. Word has length 241 [2022-11-18 19:54:57,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:57,764 INFO L495 AbstractCegarLoop]: Abstraction has 22106 states and 29321 transitions. [2022-11-18 19:54:57,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:54:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22106 states and 29321 transitions. [2022-11-18 19:54:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-18 19:54:57,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:57,785 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:57,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:54:57,785 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:57,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1311487969, now seen corresponding path program 1 times [2022-11-18 19:54:57,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:57,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944852978] [2022-11-18 19:54:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:54:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:54:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:54:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:54:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:54:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:54:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:54:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:54:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:54:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:54:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:54:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:54:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:54:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:54:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-18 19:54:58,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:58,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944852978] [2022-11-18 19:54:58,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944852978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:58,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954074275] [2022-11-18 19:54:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:58,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:58,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:58,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:58,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:54:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:59,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:54:59,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-18 19:54:59,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-18 19:54:59,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954074275] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:54:59,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:54:59,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-18 19:54:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794824194] [2022-11-18 19:54:59,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:54:59,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:54:59,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:59,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:54:59,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:59,955 INFO L87 Difference]: Start difference. First operand 22106 states and 29321 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-18 19:55:01,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:07,827 INFO L93 Difference]: Finished difference Result 49240 states and 66638 transitions. [2022-11-18 19:55:07,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:55:07,828 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 243 [2022-11-18 19:55:07,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:07,944 INFO L225 Difference]: With dead ends: 49240 [2022-11-18 19:55:07,944 INFO L226 Difference]: Without dead ends: 27179 [2022-11-18 19:55:08,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:55:08,002 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 512 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:08,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 3738 Invalid, 2955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 2563 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 19:55:08,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27179 states. [2022-11-18 19:55:09,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27179 to 22538. [2022-11-18 19:55:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22538 states, 16529 states have (on average 1.2825942283259726) internal successors, (21200), 16879 states have internal predecessors, (21200), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-18 19:55:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22538 states to 22538 states and 29753 transitions. [2022-11-18 19:55:09,463 INFO L78 Accepts]: Start accepts. Automaton has 22538 states and 29753 transitions. Word has length 243 [2022-11-18 19:55:09,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:09,464 INFO L495 AbstractCegarLoop]: Abstraction has 22538 states and 29753 transitions. [2022-11-18 19:55:09,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-18 19:55:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 22538 states and 29753 transitions. [2022-11-18 19:55:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-18 19:55:09,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:09,487 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:09,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:55:09,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 19:55:09,702 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:09,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash 811429133, now seen corresponding path program 2 times [2022-11-18 19:55:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:09,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251198107] [2022-11-18 19:55:09,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:55:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:55:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:55:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:55:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:55:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:55:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:55:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:55:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:55:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:55:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:55:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-18 19:55:11,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:11,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251198107] [2022-11-18 19:55:11,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251198107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:11,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:11,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:55:11,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140975727] [2022-11-18 19:55:11,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:11,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:55:11,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:11,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:55:11,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:55:11,553 INFO L87 Difference]: Start difference. First operand 22538 states and 29753 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:55:13,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:15,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:17,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:23,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:23,627 INFO L93 Difference]: Finished difference Result 49742 states and 67154 transitions. [2022-11-18 19:55:23,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:55:23,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 249 [2022-11-18 19:55:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:23,712 INFO L225 Difference]: With dead ends: 49742 [2022-11-18 19:55:23,712 INFO L226 Difference]: Without dead ends: 27249 [2022-11-18 19:55:23,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:55:23,772 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 509 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 387 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 3373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:23,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 4338 Invalid, 3373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-18 19:55:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27249 states. [2022-11-18 19:55:25,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27249 to 22860. [2022-11-18 19:55:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22860 states, 16767 states have (on average 1.2785829307568437) internal successors, (21438), 17103 states have internal predecessors, (21438), 4008 states have call successors, (4008), 1825 states have call predecessors, (4008), 2084 states have return successors, (4751), 4211 states have call predecessors, (4751), 4007 states have call successors, (4751) [2022-11-18 19:55:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22860 states to 22860 states and 30197 transitions. [2022-11-18 19:55:25,279 INFO L78 Accepts]: Start accepts. Automaton has 22860 states and 30197 transitions. Word has length 249 [2022-11-18 19:55:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:25,279 INFO L495 AbstractCegarLoop]: Abstraction has 22860 states and 30197 transitions. [2022-11-18 19:55:25,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:55:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22860 states and 30197 transitions. [2022-11-18 19:55:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-18 19:55:25,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:25,424 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:25,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:55:25,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:25,425 INFO L85 PathProgramCache]: Analyzing trace with hash -716661691, now seen corresponding path program 1 times [2022-11-18 19:55:25,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:25,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284887848] [2022-11-18 19:55:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:25,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:55:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:55:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:55:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:55:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:55:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:55:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:55:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:55:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:55:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:55:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:55:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:55:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:55:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:55:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-18 19:55:31,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:31,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284887848] [2022-11-18 19:55:31,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284887848] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:31,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37526696] [2022-11-18 19:55:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:31,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:31,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:31,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:55:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 19:55:32,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-18 19:55:32,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:55:32,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37526696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:32,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:55:32,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [24] total 26 [2022-11-18 19:55:32,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759383533] [2022-11-18 19:55:32,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:32,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:55:32,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:32,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:55:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2022-11-18 19:55:32,800 INFO L87 Difference]: Start difference. First operand 22860 states and 30197 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:55:34,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:34,129 INFO L93 Difference]: Finished difference Result 34476 states and 45546 transitions. [2022-11-18 19:55:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:55:34,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-18 19:55:34,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:34,160 INFO L225 Difference]: With dead ends: 34476 [2022-11-18 19:55:34,161 INFO L226 Difference]: Without dead ends: 11649 [2022-11-18 19:55:34,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:55:34,209 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:34,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:55:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11649 states. [2022-11-18 19:55:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11649 to 11496. [2022-11-18 19:55:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11496 states, 8434 states have (on average 1.281242589518615) internal successors, (10806), 8602 states have internal predecessors, (10806), 2013 states have call successors, (2013), 919 states have call predecessors, (2013), 1048 states have return successors, (2383), 2114 states have call predecessors, (2383), 2012 states have call successors, (2383) [2022-11-18 19:55:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 11496 states and 15202 transitions. [2022-11-18 19:55:34,942 INFO L78 Accepts]: Start accepts. Automaton has 11496 states and 15202 transitions. Word has length 250 [2022-11-18 19:55:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:34,942 INFO L495 AbstractCegarLoop]: Abstraction has 11496 states and 15202 transitions. [2022-11-18 19:55:34,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:55:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11496 states and 15202 transitions. [2022-11-18 19:55:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-18 19:55:34,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:34,956 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:34,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-18 19:55:35,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:35,166 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:35,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1177672195, now seen corresponding path program 1 times [2022-11-18 19:55:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:35,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465632123] [2022-11-18 19:55:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:55:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:55:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:55:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:55:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:55:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:55:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:55:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:55:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:55:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:55:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:55:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:55:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:55:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:55:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-18 19:55:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:40,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465632123] [2022-11-18 19:55:40,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465632123] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:40,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827162443] [2022-11-18 19:55:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:40,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:40,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:40,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:40,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:55:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:41,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-18 19:55:41,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-18 19:55:41,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:55:41,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827162443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:41,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:55:41,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 23 [2022-11-18 19:55:41,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080229992] [2022-11-18 19:55:41,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:41,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:55:41,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:41,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:55:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:55:41,264 INFO L87 Difference]: Start difference. First operand 11496 states and 15202 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:55:41,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:41,844 INFO L93 Difference]: Finished difference Result 22919 states and 30562 transitions. [2022-11-18 19:55:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:55:41,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-18 19:55:41,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:41,953 INFO L225 Difference]: With dead ends: 22919 [2022-11-18 19:55:41,953 INFO L226 Difference]: Without dead ends: 11483 [2022-11-18 19:55:41,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 307 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:55:41,975 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:41,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:55:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2022-11-18 19:55:42,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 11433. [2022-11-18 19:55:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11433 states, 8371 states have (on average 1.2766694540676145) internal successors, (10687), 8532 states have internal predecessors, (10687), 2013 states have call successors, (2013), 919 states have call predecessors, (2013), 1048 states have return successors, (2370), 2121 states have call predecessors, (2370), 2012 states have call successors, (2370) [2022-11-18 19:55:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11433 states to 11433 states and 15070 transitions. [2022-11-18 19:55:42,541 INFO L78 Accepts]: Start accepts. Automaton has 11433 states and 15070 transitions. Word has length 250 [2022-11-18 19:55:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:42,542 INFO L495 AbstractCegarLoop]: Abstraction has 11433 states and 15070 transitions. [2022-11-18 19:55:42,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 19:55:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 11433 states and 15070 transitions. [2022-11-18 19:55:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-18 19:55:42,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:42,553 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:42,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:55:42,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:42,762 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:42,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2048981232, now seen corresponding path program 1 times [2022-11-18 19:55:42,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:42,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738929260] [2022-11-18 19:55:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:42,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:55:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:55:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:55:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:55:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:55:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:55:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:55:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:55:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:55:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:55:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:55:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:55:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:55:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:55:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:55:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:55:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-18 19:55:43,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:43,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738929260] [2022-11-18 19:55:43,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738929260] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:43,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133821898] [2022-11-18 19:55:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:43,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:43,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:43,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:43,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:55:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:44,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-18 19:55:44,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 88 proven. 10 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-11-18 19:55:45,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:55:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-11-18 19:55:46,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133821898] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:46,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:55:46,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8, 9] total 23 [2022-11-18 19:55:46,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228266849] [2022-11-18 19:55:46,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:46,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:55:46,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:46,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:55:46,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:55:46,060 INFO L87 Difference]: Start difference. First operand 11433 states and 15070 transitions. Second operand has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-11-18 19:55:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:56,662 INFO L93 Difference]: Finished difference Result 32317 states and 45981 transitions. [2022-11-18 19:55:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 19:55:56,662 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 258 [2022-11-18 19:55:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:56,786 INFO L225 Difference]: With dead ends: 32317 [2022-11-18 19:55:56,786 INFO L226 Difference]: Without dead ends: 24483 [2022-11-18 19:55:56,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 19:55:56,821 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 6262 mSDsluCounter, 6831 mSDsCounter, 0 mSdLazyCounter, 7217 mSolverCounterSat, 2950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6413 SdHoareTripleChecker+Valid, 8342 SdHoareTripleChecker+Invalid, 10167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2950 IncrementalHoareTripleChecker+Valid, 7217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:56,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6413 Valid, 8342 Invalid, 10167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2950 Valid, 7217 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-18 19:55:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24483 states. [2022-11-18 19:55:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24483 to 16485. [2022-11-18 19:55:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16485 states, 11982 states have (on average 1.2700717743281589) internal successors, (15218), 12290 states have internal predecessors, (15218), 3008 states have call successors, (3008), 1224 states have call predecessors, (3008), 1494 states have return successors, (3720), 3208 states have call predecessors, (3720), 3007 states have call successors, (3720) [2022-11-18 19:55:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16485 states to 16485 states and 21946 transitions. [2022-11-18 19:55:58,321 INFO L78 Accepts]: Start accepts. Automaton has 16485 states and 21946 transitions. Word has length 258 [2022-11-18 19:55:58,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:58,322 INFO L495 AbstractCegarLoop]: Abstraction has 16485 states and 21946 transitions. [2022-11-18 19:55:58,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-11-18 19:55:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16485 states and 21946 transitions. [2022-11-18 19:55:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-18 19:55:58,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:58,334 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:58,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:55:58,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 19:55:58,545 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:55:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1858616382, now seen corresponding path program 1 times [2022-11-18 19:55:58,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:58,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241313011] [2022-11-18 19:55:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:55:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:55:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:55:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:55:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:55:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:55:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:55:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:55:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:55:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:55:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:55:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:55:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:55:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:55:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 19:56:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:56:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:56:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-18 19:56:00,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:00,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241313011] [2022-11-18 19:56:00,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241313011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:00,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:00,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:56:00,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221778701] [2022-11-18 19:56:00,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:00,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:56:00,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:00,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:56:00,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:56:00,536 INFO L87 Difference]: Start difference. First operand 16485 states and 21946 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-18 19:56:02,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:13,125 INFO L93 Difference]: Finished difference Result 38466 states and 51686 transitions. [2022-11-18 19:56:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:56:13,125 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2022-11-18 19:56:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:13,224 INFO L225 Difference]: With dead ends: 38466 [2022-11-18 19:56:13,224 INFO L226 Difference]: Without dead ends: 22041 [2022-11-18 19:56:13,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:56:13,275 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 2024 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 5206 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 3369 SdHoareTripleChecker+Invalid, 6141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 5206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:13,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2218 Valid, 3369 Invalid, 6141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [935 Valid, 5206 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-11-18 19:56:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22041 states. [2022-11-18 19:56:14,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22041 to 17934. [2022-11-18 19:56:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17934 states, 12927 states have (on average 1.2589928057553956) internal successors, (16275), 13277 states have internal predecessors, (16275), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-11-18 19:56:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17934 states to 17934 states and 23647 transitions. [2022-11-18 19:56:14,947 INFO L78 Accepts]: Start accepts. Automaton has 17934 states and 23647 transitions. Word has length 247 [2022-11-18 19:56:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:14,948 INFO L495 AbstractCegarLoop]: Abstraction has 17934 states and 23647 transitions. [2022-11-18 19:56:14,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-18 19:56:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 17934 states and 23647 transitions. [2022-11-18 19:56:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-18 19:56:14,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:14,961 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:14,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:56:14,961 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1402782726, now seen corresponding path program 1 times [2022-11-18 19:56:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:14,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618979111] [2022-11-18 19:56:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:56:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:56:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:56:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:56:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:56:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:56:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:56:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:56:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:56:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:56:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:56:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:56:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:56:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:56:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-11-18 19:56:15,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:15,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618979111] [2022-11-18 19:56:15,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618979111] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:15,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482647853] [2022-11-18 19:56:15,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:15,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:15,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:15,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:56:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:16,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 19:56:16,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-18 19:56:16,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:16,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482647853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:16,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:16,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-18 19:56:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279208591] [2022-11-18 19:56:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:16,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:16,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:16,976 INFO L87 Difference]: Start difference. First operand 17934 states and 23647 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-18 19:56:18,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:18,349 INFO L93 Difference]: Finished difference Result 35917 states and 47417 transitions. [2022-11-18 19:56:18,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:18,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2022-11-18 19:56:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:18,427 INFO L225 Difference]: With dead ends: 35917 [2022-11-18 19:56:18,428 INFO L226 Difference]: Without dead ends: 17963 [2022-11-18 19:56:18,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:18,482 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:18,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2946 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17963 states. [2022-11-18 19:56:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17963 to 17963. [2022-11-18 19:56:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17963 states, 12956 states have (on average 1.2584130904600186) internal successors, (16304), 13306 states have internal predecessors, (16304), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-11-18 19:56:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17963 states to 17963 states and 23676 transitions. [2022-11-18 19:56:19,853 INFO L78 Accepts]: Start accepts. Automaton has 17963 states and 23676 transitions. Word has length 257 [2022-11-18 19:56:19,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:19,853 INFO L495 AbstractCegarLoop]: Abstraction has 17963 states and 23676 transitions. [2022-11-18 19:56:19,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-18 19:56:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 17963 states and 23676 transitions. [2022-11-18 19:56:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-18 19:56:19,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:19,863 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:19,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 19:56:20,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 19:56:20,067 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:20,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:20,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1449251808, now seen corresponding path program 1 times [2022-11-18 19:56:20,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:20,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126922947] [2022-11-18 19:56:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:56:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:56:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:56:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:56:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:56:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:56:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:56:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:56:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:56:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 19:56:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:56:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:56:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:56:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:56:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-18 19:56:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:21,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126922947] [2022-11-18 19:56:21,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126922947] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:21,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148629500] [2022-11-18 19:56:21,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:21,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:21,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:21,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:56:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:22,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:56:22,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 138 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-18 19:56:22,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-18 19:56:22,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148629500] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:22,682 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:22,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-18 19:56:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56539018] [2022-11-18 19:56:22,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:22,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:56:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:22,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:56:22,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:56:22,685 INFO L87 Difference]: Start difference. First operand 17963 states and 23676 transitions. Second operand has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-18 19:56:30,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:30,924 INFO L93 Difference]: Finished difference Result 38704 states and 51717 transitions. [2022-11-18 19:56:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:56:30,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 259 [2022-11-18 19:56:30,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:30,990 INFO L225 Difference]: With dead ends: 38704 [2022-11-18 19:56:30,990 INFO L226 Difference]: Without dead ends: 20719 [2022-11-18 19:56:31,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 572 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:56:31,031 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 355 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:31,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 3134 Invalid, 2469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 19:56:31,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2022-11-18 19:56:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 17994. [2022-11-18 19:56:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 12987 states have (on average 1.2577962577962578) internal successors, (16335), 13337 states have internal predecessors, (16335), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-11-18 19:56:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 23707 transitions. [2022-11-18 19:56:32,523 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 23707 transitions. Word has length 259 [2022-11-18 19:56:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:32,523 INFO L495 AbstractCegarLoop]: Abstraction has 17994 states and 23707 transitions. [2022-11-18 19:56:32,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-18 19:56:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 23707 transitions. [2022-11-18 19:56:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-18 19:56:32,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:32,531 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:32,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:32,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 19:56:32,732 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:32,732 INFO L85 PathProgramCache]: Analyzing trace with hash -691212794, now seen corresponding path program 2 times [2022-11-18 19:56:32,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:32,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920267120] [2022-11-18 19:56:32,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:32,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:56:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:56:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:56:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:56:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:56:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:56:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:56:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:56:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:56:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:56:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:56:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:56:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:56:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:56:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-18 19:56:45,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:45,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920267120] [2022-11-18 19:56:45,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920267120] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:45,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810688034] [2022-11-18 19:56:45,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:56:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:45,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:45,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 19:56:45,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:56:45,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:56:45,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 19:56:45,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-11-18 19:56:46,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:46,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810688034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:46,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:46,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [32] total 42 [2022-11-18 19:56:46,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076280353] [2022-11-18 19:56:46,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:46,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:56:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:46,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:56:46,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1610, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 19:56:46,656 INFO L87 Difference]: Start difference. First operand 17994 states and 23707 transitions. Second operand has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-18 19:56:48,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:48,536 INFO L93 Difference]: Finished difference Result 37873 states and 51180 transitions. [2022-11-18 19:56:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:56:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) Word has length 265 [2022-11-18 19:56:48,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:48,600 INFO L225 Difference]: With dead ends: 37873 [2022-11-18 19:56:48,601 INFO L226 Difference]: Without dead ends: 19943 [2022-11-18 19:56:48,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=146, Invalid=2110, Unknown=0, NotChecked=0, Total=2256 [2022-11-18 19:56:48,766 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 26 mSDsluCounter, 12249 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13277 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:48,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13277 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19943 states. [2022-11-18 19:56:50,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19943 to 18316. [2022-11-18 19:56:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18316 states, 13274 states have (on average 1.2495856561699563) internal successors, (16587), 13575 states have internal predecessors, (16587), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1760 states have return successors, (4175), 3579 states have call predecessors, (4175), 3280 states have call successors, (4175) [2022-11-18 19:56:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18316 states to 18316 states and 24043 transitions. [2022-11-18 19:56:50,190 INFO L78 Accepts]: Start accepts. Automaton has 18316 states and 24043 transitions. Word has length 265 [2022-11-18 19:56:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:50,190 INFO L495 AbstractCegarLoop]: Abstraction has 18316 states and 24043 transitions. [2022-11-18 19:56:50,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-18 19:56:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 18316 states and 24043 transitions. [2022-11-18 19:56:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-18 19:56:50,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:50,200 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:50,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:50,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:50,412 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 1 times [2022-11-18 19:56:50,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:50,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368097944] [2022-11-18 19:56:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:56:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:56:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:56:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:56:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:56:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:56:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:56:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:56:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:56:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:56:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:56:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:56:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:56:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:56:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:57:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-18 19:57:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:01,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368097944] [2022-11-18 19:57:01,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368097944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:01,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951975565] [2022-11-18 19:57:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:01,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:01,555 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:01,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 19:57:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:03,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 165 conjunts are in the unsatisfiable core [2022-11-18 19:57:03,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:04,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-18 19:57:04,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-18 19:57:04,391 INFO L321 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2022-11-18 19:57:04,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-11-18 19:57:04,413 INFO L321 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2022-11-18 19:57:04,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 28 [2022-11-18 19:57:11,324 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-18 19:57:11,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2022-11-18 19:57:11,333 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-18 19:57:11,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 10 [2022-11-18 19:57:12,132 INFO L321 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-18 19:57:12,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-18 19:57:12,231 INFO L321 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2022-11-18 19:57:12,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 49 [2022-11-18 19:57:12,254 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-18 19:57:12,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 3 [2022-11-18 19:57:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 11 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-18 19:57:12,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:57:13,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2022-11-18 19:57:13,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 378 [2022-11-18 19:57:15,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2022-11-18 19:57:15,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 378 [2022-11-18 19:57:19,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2022-11-18 19:57:19,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 378 [2022-11-18 19:57:23,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 514 [2022-11-18 19:57:23,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 882 treesize of output 850 [2022-11-18 19:57:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-11-18 19:57:36,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951975565] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:36,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:57:36,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [34, 26] total 75 [2022-11-18 19:57:36,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430555219] [2022-11-18 19:57:36,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:36,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 19:57:36,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:36,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 19:57:36,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=5077, Unknown=3, NotChecked=0, Total=5550 [2022-11-18 19:57:36,546 INFO L87 Difference]: Start difference. First operand 18316 states and 24043 transitions. Second operand has 26 states, 24 states have (on average 6.125) internal successors, (147), 22 states have internal predecessors, (147), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-18 19:58:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:29,779 INFO L93 Difference]: Finished difference Result 46249 states and 61641 transitions. [2022-11-18 19:58:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-18 19:58:29,780 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.125) internal successors, (147), 22 states have internal predecessors, (147), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) Word has length 277 [2022-11-18 19:58:29,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:29,907 INFO L225 Difference]: With dead ends: 46249 [2022-11-18 19:58:29,907 INFO L226 Difference]: Without dead ends: 36812 [2022-11-18 19:58:29,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 572 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3249 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=1061, Invalid=9442, Unknown=3, NotChecked=0, Total=10506 [2022-11-18 19:58:29,946 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 10901 mSDsluCounter, 13941 mSDsCounter, 0 mSdLazyCounter, 14478 mSolverCounterSat, 4435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11062 SdHoareTripleChecker+Valid, 14978 SdHoareTripleChecker+Invalid, 23465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4435 IncrementalHoareTripleChecker+Valid, 14478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4552 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:29,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11062 Valid, 14978 Invalid, 23465 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4435 Valid, 14478 Invalid, 0 Unknown, 4552 Unchecked, 42.2s Time] [2022-11-18 19:58:29,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36812 states. [2022-11-18 19:58:34,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36812 to 34839. [2022-11-18 19:58:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34839 states, 25318 states have (on average 1.2538510150880797) internal successors, (31745), 25871 states have internal predecessors, (31745), 6211 states have call successors, (6211), 2710 states have call predecessors, (6211), 3309 states have return successors, (8146), 6712 states have call predecessors, (8146), 6210 states have call successors, (8146) [2022-11-18 19:58:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34839 states to 34839 states and 46102 transitions. [2022-11-18 19:58:35,002 INFO L78 Accepts]: Start accepts. Automaton has 34839 states and 46102 transitions. Word has length 277 [2022-11-18 19:58:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:35,003 INFO L495 AbstractCegarLoop]: Abstraction has 34839 states and 46102 transitions. [2022-11-18 19:58:35,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.125) internal successors, (147), 22 states have internal predecessors, (147), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-18 19:58:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 34839 states and 46102 transitions. [2022-11-18 19:58:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-18 19:58:35,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:35,014 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:35,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:35,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:35,215 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:35,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1373044522, now seen corresponding path program 1 times [2022-11-18 19:58:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:35,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25010910] [2022-11-18 19:58:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:35,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:58:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:58:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:58:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:58:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:58:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:58:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:58:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:58:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 19:58:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:58:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:58:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:58:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:58:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:58:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:58:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:58:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:58:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:58:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:58:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:58:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:58:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:58:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:58:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:58:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:58:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-11-18 19:58:36,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:36,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25010910] [2022-11-18 19:58:36,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25010910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:36,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:36,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:58:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533990168] [2022-11-18 19:58:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:36,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:58:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:36,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:58:36,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:58:36,956 INFO L87 Difference]: Start difference. First operand 34839 states and 46102 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 19:58:38,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:51,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:51,457 INFO L93 Difference]: Finished difference Result 79435 states and 109073 transitions. [2022-11-18 19:58:51,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:58:51,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 300 [2022-11-18 19:58:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:51,609 INFO L225 Difference]: With dead ends: 79435 [2022-11-18 19:58:51,609 INFO L226 Difference]: Without dead ends: 44660 [2022-11-18 19:58:51,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-18 19:58:51,693 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 1029 mSDsluCounter, 4074 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 4764 SdHoareTripleChecker+Invalid, 4706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 864 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:51,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 4764 Invalid, 4706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [864 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 19:58:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44660 states. [2022-11-18 19:58:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44660 to 35967. [2022-11-18 19:58:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35967 states, 26187 states have (on average 1.2479474548440066) internal successors, (32680), 26642 states have internal predecessors, (32680), 6319 states have call successors, (6319), 2710 states have call predecessors, (6319), 3460 states have return successors, (8913), 7048 states have call predecessors, (8913), 6318 states have call successors, (8913) [2022-11-18 19:58:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35967 states to 35967 states and 47912 transitions. [2022-11-18 19:58:57,005 INFO L78 Accepts]: Start accepts. Automaton has 35967 states and 47912 transitions. Word has length 300 [2022-11-18 19:58:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:57,006 INFO L495 AbstractCegarLoop]: Abstraction has 35967 states and 47912 transitions. [2022-11-18 19:58:57,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 19:58:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35967 states and 47912 transitions. [2022-11-18 19:58:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-18 19:58:57,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:57,017 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:57,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 19:58:57,017 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:57,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:57,017 INFO L85 PathProgramCache]: Analyzing trace with hash -528626198, now seen corresponding path program 1 times [2022-11-18 19:58:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:57,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385006240] [2022-11-18 19:58:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:58:57,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:58:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:58:59,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:58:59,132 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:58:59,133 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:58:59,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 19:58:59,141 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:59,147 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:58:59,224 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 19:58:59,227 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 19:58:59,256 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,256 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,258 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,258 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:58:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:58:59 BoogieIcfgContainer [2022-11-18 19:58:59,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:58:59,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:58:59,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:58:59,642 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:58:59,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:53:30" (3/4) ... [2022-11-18 19:58:59,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:58:59,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:58:59,646 INFO L158 Benchmark]: Toolchain (without parser) took 335349.97ms. Allocated memory was 134.2MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 87.1MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-18 19:58:59,646 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 104.8MB in the beginning and 104.8MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:59,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2069.40ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 86.7MB in the beginning and 112.7MB in the end (delta: -26.0MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2022-11-18 19:58:59,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.48ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 100.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:58:59,647 INFO L158 Benchmark]: Boogie Preprocessor took 200.85ms. Allocated memory is still 174.1MB. Free memory was 100.2MB in the beginning and 86.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:58:59,647 INFO L158 Benchmark]: RCFGBuilder took 4140.29ms. Allocated memory was 174.1MB in the beginning and 388.0MB in the end (delta: 213.9MB). Free memory was 86.4MB in the beginning and 193.3MB in the end (delta: -106.8MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-11-18 19:58:59,648 INFO L158 Benchmark]: TraceAbstraction took 328783.67ms. Allocated memory was 388.0MB in the beginning and 4.1GB in the end (delta: 3.7GB). Free memory was 192.2MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-18 19:58:59,648 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 4.1GB. Free memory is still 2.5GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:59,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 104.8MB in the beginning and 104.8MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2069.40ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 86.7MB in the beginning and 112.7MB in the end (delta: -26.0MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.48ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 100.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.85ms. Allocated memory is still 174.1MB. Free memory was 100.2MB in the beginning and 86.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4140.29ms. Allocated memory was 174.1MB in the beginning and 388.0MB in the end (delta: 213.9MB). Free memory was 86.4MB in the beginning and 193.3MB in the end (delta: -106.8MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * TraceAbstraction took 328783.67ms. Allocated memory was 388.0MB in the beginning and 4.1GB in the end (delta: 3.7GB). Free memory was 192.2MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 4.1GB. Free memory is still 2.5GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6764]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 7944. Possible FailurePath: [L7814-L7818] static struct ath6kl_hif_ops const ath6kl_usb_ops = {0, 0, 0, 0, 0, 0, 0, 0, & ath6kl_usb_cleanup_scatter, & ath6kl_usb_suspend, & ath6kl_usb_resume, & ath6kl_usb_diag_read32, & ath6kl_usb_diag_write32, & ath6kl_usb_bmi_read, & ath6kl_usb_bmi_write, & ath6kl_usb_power_on, & ath6kl_usb_power_off, & ath6kl_usb_stop, & ath6kl_usb_send, & ath6kl_usb_get_default_pipe, & ath6kl_usb_map_service_pipe, & ath6kl_usb_get_free_queue_number}; [L7933-L7939] static struct usb_driver ath6kl_usb_driver = {"ath6kl_usb", & ath6kl_usb_probe, & ath6kl_usb_remove, 0, & ath6kl_usb_pm_suspend, & ath6kl_usb_pm_resume, & ath6kl_usb_pm_reset_resume, 0, 0, (struct usb_device_id const *)(& ath6kl_usb_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, 1U, (unsigned char)0}; [L7932] struct usb_device_id const __mod_usb__ath6kl_usb_ids_device_table ; [L6791] struct ath6kl *ath6kl_usb_ops_group0 ; [L8488] Element set_impl[15] ; [L6787] int LDV_IN_INTERRUPT = 1; [L8623] Set LDV_SKBS ; [L7961] int ldv_retval_0 ; [L8489] int last_index = 0; [L7966] int ldv_retval_1 ; [L6789] int ref_cnt ; [L7960] int ldv_retval_2 ; [L7969] int ldv_retval_3 ; [L7963] int ldv_retval_4 ; [L7962] int ldv_retval_5 ; [L6788] int ldv_state_variable_2 ; [L7964] int ldv_retval_6 ; [L6793] struct usb_interface *ath6kl_usb_driver_group1 ; [L6794] int ldv_state_variable_0 ; [L7929-L7931] static struct usb_device_id ath6kl_usb_ids[2U] = { {3U, 3315U, 37748U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6790] int ldv_state_variable_1 ; [L6792] int usb_counter ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7990] struct usb_device_id *ldvarg1 ; [L7991] void *tmp ; [L7992] pm_message_t ldvarg0 ; [L7993] u32 *ldvarg18 ; [L7994] void *tmp___0 ; [L7995] u8 *ldvarg11 ; [L7996] void *tmp___1 ; [L7997] u8 ldvarg7 ; [L7998] u8 tmp___2 ; [L7999] u32 ldvarg3 ; [L8000] u32 tmp___3 ; [L8001] u8 *ldvarg12 ; [L8002] void *tmp___4 ; [L8003] u8 *ldvarg8 ; [L8004] void *tmp___5 ; [L8005] u32 ldvarg13 ; [L8006] u32 tmp___6 ; [L8007] u16 ldvarg10 ; [L8008] u16 tmp___7 ; [L8009] u8 *ldvarg9 ; [L8010] void *tmp___8 ; [L8011] struct sk_buff *ldvarg5 ; [L8012] void *tmp___9 ; [L8013] u8 ldvarg6 ; [L8014] u8 tmp___10 ; [L8015] struct cfg80211_wowlan *ldvarg15 ; [L8016] void *tmp___11 ; [L8017] u32 ldvarg16 ; [L8018] u32 tmp___12 ; [L8019] struct sk_buff *ldvarg4 ; [L8020] void *tmp___13 ; [L8021] u8 *ldvarg14 ; [L8022] void *tmp___14 ; [L8023] u8 *ldvarg17 ; [L8024] void *tmp___15 ; [L8025] u32 ldvarg19 ; [L8026] u32 tmp___16 ; [L8027] __le32 ldvarg2 ; [L8028] int tmp___17 ; [L8029] int tmp___18 ; [L8030] int tmp___19 ; [L8031] int tmp___20 ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8033] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=32, tmp___0=1, usb_counter=0] [L8033] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8033] tmp = ldv_zalloc(32UL) [L8034] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, usb_counter=0] [L8035] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=4, tmp___0=1, usb_counter=0] [L8035] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, usb_counter=0] [L8035] tmp___0 = ldv_zalloc(4UL) [L8036] ldvarg18 = (u32 *)tmp___0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8037] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] tmp___1 = ldv_zalloc(1UL) [L8038] ldvarg11 = (u8 *)tmp___1 [L8039] tmp___2 = __VERIFIER_nondet_u8() [L8040] ldvarg7 = tmp___2 [L8041] tmp___3 = __VERIFIER_nondet_u32() [L8042] ldvarg3 = tmp___3 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, usb_counter=0] [L8043] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8043] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, usb_counter=0] [L8043] tmp___4 = ldv_zalloc(1UL) [L8044] ldvarg12 = (u8 *)tmp___4 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, usb_counter=0] [L8045] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8045] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, usb_counter=0] [L8045] tmp___5 = ldv_zalloc(1UL) [L8046] ldvarg8 = (u8 *)tmp___5 [L8047] tmp___6 = __VERIFIER_nondet_u32() [L8048] ldvarg13 = tmp___6 [L8049] tmp___7 = __VERIFIER_nondet_u16() [L8050] ldvarg10 = tmp___7 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ldvarg8={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, usb_counter=0] [L8051] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8051] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ldvarg8={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, usb_counter=0] [L8051] tmp___8 = ldv_zalloc(1UL) [L8052] ldvarg9 = (u8 *)tmp___8 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, usb_counter=0] [L8053] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=232, tmp___0=1, usb_counter=0] [L8053] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, usb_counter=0] [L8053] tmp___9 = ldv_zalloc(232UL) [L8054] ldvarg5 = (struct sk_buff *)tmp___9 [L8055] tmp___10 = __VERIFIER_nondet_u8() [L8056] ldvarg6 = tmp___10 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=32, tmp___0=1, usb_counter=0] [L8057] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] tmp___11 = ldv_zalloc(32UL) [L8058] ldvarg15 = (struct cfg80211_wowlan *)tmp___11 [L8059] tmp___12 = __VERIFIER_nondet_u32() [L8060] ldvarg16 = tmp___12 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=232, tmp___0=1, usb_counter=0] [L8061] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] tmp___13 = ldv_zalloc(232UL) [L8062] ldvarg4 = (struct sk_buff *)tmp___13 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8063] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] tmp___14 = ldv_zalloc(1UL) [L8064] ldvarg14 = (u8 *)tmp___14 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1, tmp___0=1, usb_counter=0] [L8065] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg18={0:0}, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] tmp___15 = ldv_zalloc(1UL) [L8066] ldvarg17 = (u8 *)tmp___15 [L8067] tmp___16 = __VERIFIER_nondet_u32() [L8068] ldvarg19 = tmp___16 [L8069] CALL ldv_initialize() [L8642] CALL ldv_set_init(LDV_SKBS) [L8494] set = set_impl [L8495] last_index = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set={0:0}, set={57:0}, set_impl={57:0}, usb_counter=0] [L8642] RET ldv_set_init(LDV_SKBS) [L8069] RET ldv_initialize() [L8070] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={18446744073709551675:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8071] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={18446744073709551674:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8072] ldv_state_variable_1 = 0 [L8073] ref_cnt = 0 [L8074] ldv_state_variable_0 = 1 [L8075] ldv_state_variable_2 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: [L8157] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___19=1, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8158] COND TRUE ldv_state_variable_0 == 1 [L8159] CALL, EXPR ath6kl_usb_init() [L7942] int ret ; [L7944] CALL, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L8468] ldv_func_ret_type ldv_func_res ; [L8469] int tmp ; [L8471] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8813] return __VERIFIER_nondet_int(); [L8471] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8471] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8472] ldv_func_res = tmp [L8473] ldv_state_variable_1 = 1 [L8474] usb_counter = 0 [L8475] CALL ldv_usb_driver_1() [L7972] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7974] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, size=1560, tmp___0=1, usb_counter=0] [L7974] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7974] tmp = ldv_zalloc(1560UL) [L7975] ath6kl_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, tmp={0:0}, usb_counter=0] [L8475] RET ldv_usb_driver_1() [L8476] return (ldv_func_res); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, ldv_func_arg1={56:0}, ldv_func_arg1={56:0}, ldv_func_arg2={18446744073709551730:18446744073709551686}, ldv_func_arg2={18446744073709551730:18446744073709551686}, ldv_func_arg3={53:0}, ldv_func_arg3={53:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={57:0}, tmp=0, usb_counter=0] [L7944] RET, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7944] ret = ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7945] COND FALSE !(ret != 0) [L7950] return (0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, ret=0, set_impl={57:0}, usb_counter=0] [L8159] RET, EXPR ath6kl_usb_init() [L8159] ldv_retval_4 = ath6kl_usb_init() [L8160] COND TRUE ldv_retval_4 == 0 [L8161] ldv_state_variable_0 = 3 [L8162] ldv_state_variable_2 = 1 [L8163] CALL ldv_initialize_ath6kl_hif_ops_2() [L7981] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7983] CALL, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=31704, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, size=31704, tmp___0=1, usb_counter=0] [L7983] RET, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(31704UL)={0:0}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7983] tmp = ldv_zalloc(31704UL) [L7984] ath6kl_usb_ops_group0 = (struct ath6kl *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={0:0}, usb_counter=0] [L8163] RET ldv_initialize_ath6kl_hif_ops_2() [L8166] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___19=1, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: [L8181] case 2: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8182] COND TRUE ldv_state_variable_2 != 0 [L8183] tmp___20 = __VERIFIER_nondet_int() [L8185] case 0: [L8192] case 1: [L8199] case 2: [L8216] case 3: [L8233] case 4: [L8243] case 5: [L8260] case 6: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8261] COND TRUE ldv_state_variable_2 == 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8262] CALL ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7778] CALL hif_start(ar) [L7450] struct ath6kl_usb *device ; [L7451] struct ath6kl_usb *tmp ; [L7452] int i ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7454] CALL, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6929] EXPR ar->hif_priv [L6929] return ((struct ath6kl_usb *)ar->hif_priv); [L7454] RET, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_priv(ar)={18446744073709551616:-1920}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7454] tmp = ath6kl_usb_priv(ar) [L7455] device = tmp [L7456] CALL ath6kl_usb_start_recv_pipes(device) [L7229] ar_usb->pipes[5].urb_cnt_thresh = 1U VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar_usb={18446744073709551616:-1920}, ar_usb={18446744073709551616:-1920}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7230-L7231] CALL ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7162] struct ath6kl_urb_context *urb_context ; [L7163] struct urb *urb ; [L7164] int usb_status ; VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7167] CALL, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6883] struct ath6kl_urb_context *urb_context ; [L6884] unsigned long flags ; [L6885] raw_spinlock_t *tmp ; [L6886] struct list_head const *__mptr ; [L6887] int tmp___0 ; [L6889] urb_context = (struct ath6kl_urb_context *)0 [L6890] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, pipe->ar_usb={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, urb_context={0:0}, usb_counter=0] [L6890] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=0, \result={18446744073709551703:-6}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551703:-6}, lock={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6890] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, pipe->ar_usb={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={18446744073709551703:-6}, urb_context={0:0}, usb_counter=0] [L6890] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6891] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, arg0={18446744073709551703:-6}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6891] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, _raw_spin_lock_irqsave(tmp)=18446744073709551719, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551703:-6}, urb_context={0:0}, usb_counter=0] [L6891] flags = _raw_spin_lock_irqsave(tmp) [L6892] CALL, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6586] EXPR head->next [L6586] return ((unsigned long )((struct list_head const *)head->next) == (unsigned long )head); [L6892] RET, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6892] tmp___0 = list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6893] COND TRUE tmp___0 == 0 [L6894] EXPR pipe->urb_list_head.next [L6894] __mptr = (struct list_head const *)pipe->urb_list_head.next [L6895] urb_context = (struct ath6kl_urb_context *)__mptr [L6896] FCALL list_del(& urb_context->link) [L6897] EXPR pipe->urb_cnt [L6897] pipe->urb_cnt = pipe->urb_cnt - 1U [L6900] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551615:104}, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=103, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, pipe->ar_usb={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551703:-6}, tmp___0=0, urb_context={18446744073709551615:104}, usb_counter=0] [L6900] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6900] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551615:104}, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=103, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, pipe->ar_usb={18446744073709551703:-6}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551703:-6}, tmp___0=0, urb_context={18446744073709551615:104}, usb_counter=0] [L6901] return (urb_context); VAL [\old(last_index)=0, \result={18446744073709551615:104}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551615:104}, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=103, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551616:129}, pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551703:-6}, tmp___0=0, urb_context={18446744073709551615:104}, usb_counter=0] [L7167] RET, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_alloc_urb_from_pipe(recv_pipe)={18446744073709551615:104}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7167] urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe) [L7168] COND FALSE !((unsigned long )urb_context == (unsigned long )((struct ath6kl_urb_context *)0)) [L7172] CALL, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L8451] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8453] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8626] void *skb ; [L8627] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8629] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND FALSE !(tmp___0 != 0) [L6737] EXPR, FCALL calloc(1UL, size) [L6737] tmp = calloc(1UL, size) [L6738] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={57:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L6739] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6739] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={57:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L6740] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={57:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L8629] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={60:0}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8629] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L8630] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, skb={60:0}, tmp___7={60:0}, usb_counter=0] [L8631] COND FALSE !(! skb) [L8634] CALL ldv_set_add(LDV_SKBS, skb) [L8502] int i ; [L8504] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8505] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8506] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8516] COND TRUE last_index < 15 [L8517] set_impl[last_index] = e [L8518] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8634] RET ldv_set_add(LDV_SKBS, skb) [L8635] return (skb); VAL [\old(last_index)=0, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, skb={60:0}, tmp___7={60:0}, usb_counter=0] [L8453] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_skb_alloc()={60:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8453] tmp = ldv_skb_alloc() [L8454] return (tmp); VAL [\old(last_index)=0, \old(length)=4096, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={57:0}, tmp={60:0}, usb_counter=0] [L7172] RET, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7172] urb_context->skb = ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7173] EXPR urb_context->skb VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context->skb={60:0}, usb_counter=0] [L7173] COND FALSE !((unsigned long )urb_context->skb == (unsigned long )((struct sk_buff *)0)) [L7177] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8787] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6712] void *p ; [L6713] void *tmp ; [L6714] int tmp___0 ; [L6716] tmp___0 = __VERIFIER_nondet_int() [L6717] COND FALSE !(tmp___0 != 0) [L6720] tmp = malloc(size) [L6721] p = tmp VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551615:0}, ref_cnt=0, set_impl={57:0}, size=184, tmp={18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6722] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6722] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551615:0}, ref_cnt=0, set_impl={57:0}, size=184, tmp={18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6723] return (p); VAL [\old(last_index)=0, \old(size)=184, \result={18446744073709551615:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551615:0}, ref_cnt=0, set_impl={57:0}, size=184, tmp={18446744073709551615:0}, tmp___0=0, usb_counter=0] [L8787] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, arg0=0, arg1=32, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8787] return ldv_malloc(sizeof(struct urb)); [L7177] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, usb_alloc_urb(0, 32U)={18446744073709551615:0}, usb_counter=0] [L7177] urb = usb_alloc_urb(0, 32U) [L7178] COND FALSE !((unsigned long )urb == (unsigned long )((struct urb *)0)) [L7182] EXPR recv_pipe->ar_usb [L7182] EXPR (recv_pipe->ar_usb)->udev [L7182] EXPR recv_pipe->usb_pipe_handle [L7182] EXPR urb_context->skb [L7182] EXPR (urb_context->skb)->data VAL [(recv_pipe->ar_usb)->udev={18446744073709551683:18446744073709551716}, (urb_context->skb)->data={18446744073709551709:18446744073709551679}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, recv_pipe->ar_usb={18446744073709551703:-6}, recv_pipe->usb_pipe_handle=18446744073709551713, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, urb_context->skb={60:0}, usb_counter=0] [L7182-L7183] CALL usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=18446744073709551713, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, complete_fn={-1:0}, context={18446744073709551615:104}, dev={18446744073709551683:18446744073709551716}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, transfer_buffer={18446744073709551709:18446744073709551679}, urb={18446744073709551615:0}, usb_counter=0] [L6847] urb->dev = dev [L6848] urb->pipe = pipe [L6849] urb->transfer_buffer = transfer_buffer [L6850] urb->transfer_buffer_length = (u32 )buffer_length [L6851] urb->complete = complete_fn [L6852] urb->context = context VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=18446744073709551713, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, complete_fn={-1:0}, complete_fn={-1:0}, context={18446744073709551615:104}, context={18446744073709551615:104}, dev={18446744073709551683:18446744073709551716}, dev={18446744073709551683:18446744073709551716}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe=18446744073709551713, ref_cnt=0, set_impl={57:0}, transfer_buffer={18446744073709551709:18446744073709551679}, transfer_buffer={18446744073709551709:18446744073709551679}, urb={18446744073709551615:0}, urb={18446744073709551615:0}, usb_counter=0] [L7182-L7183] RET usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [(recv_pipe->ar_usb)->udev={18446744073709551683:18446744073709551716}, (urb_context->skb)->data={18446744073709551709:18446744073709551679}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, recv_pipe->ar_usb={18446744073709551703:-6}, recv_pipe->usb_pipe_handle=18446744073709551713, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, urb_context->skb={60:0}, usb_counter=0] [L7185] recv_pipe->logical_pipe_num [L7185] recv_pipe->usb_pipe_handle [L7185] recv_pipe->ep_address [L7186] urb_context->skb [L7187] FCALL usb_anchor_urb(urb, & recv_pipe->urb_submitted) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0] [L7188] CALL, EXPR usb_submit_urb(urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, arg0={18446744073709551615:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8817] return __VERIFIER_nondet_int(); [L7188] RET, EXPR usb_submit_urb(urb, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0, usb_submit_urb(urb, 32U)=63] [L7188] usb_status = usb_submit_urb(urb, 32U) [L7189] COND TRUE usb_status != 0 VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0, usb_status=63] [L7191] FCALL usb_unanchor_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0, usb_status=63] [L7192] FCALL usb_free_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0, usb_status=63] [L7201] CALL ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, usb_counter=0] [L6920] EXPR urb_context->skb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, urb_context->skb={18446744073709551615:0}, usb_counter=0] [L6920] CALL ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, skb={18446744073709551615:0}, usb_counter=0] [L8649] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={18446744073709551615:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set_impl={57:0}, usb_counter=0] [L8527] int i ; [L8528] int deleted_index ; [L8530] deleted_index = -1 [L8531] i = 0 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8533] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8537] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, set_impl[i]={60:0}, usb_counter=0] [L8537] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L8542] i = i + 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8533] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8544] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={18446744073709551615:0}, e={18446744073709551615:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8649] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, skb={18446744073709551615:0}, skb={18446744073709551615:0}, usb_counter=0] [L6920] RET ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, urb_context->skb={18446744073709551615:0}, usb_counter=0] [L6921] urb_context->skb = (struct sk_buff *)0 [L6922] EXPR urb_context->pipe VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, urb_context->pipe={18446744073709551615:0}, usb_counter=0] [L6922] CALL ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, usb_counter=0] [L6906] unsigned long flags ; [L6907] raw_spinlock_t *tmp ; [L6909] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, pipe={18446744073709551615:0}, pipe->ar_usb={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, usb_counter=0] [L6909] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=1, \result={18446744073709551733:18446744073709551704}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551733:18446744073709551704}, lock={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6909] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, pipe={18446744073709551615:0}, pipe->ar_usb={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={18446744073709551733:18446744073709551704}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, usb_counter=0] [L6909] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6910] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, arg0={18446744073709551733:18446744073709551704}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6910] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, _raw_spin_lock_irqsave(tmp)=18446744073709551689, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, pipe={18446744073709551615:0}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551733:18446744073709551704}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, usb_counter=0] [L6910] flags = _raw_spin_lock_irqsave(tmp) [L6911] EXPR pipe->urb_cnt [L6911] pipe->urb_cnt = pipe->urb_cnt + 1U [L6912] CALL list_add(& urb_context->link, & pipe->urb_list_head) [L6578] EXPR head->next [L6578] FCALL __list_add(new, head, head->next) [L6912] RET list_add(& urb_context->link, & pipe->urb_list_head) [L6913] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=73, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, pipe={18446744073709551615:0}, pipe->ar_usb={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551733:18446744073709551704}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, usb_counter=0] [L6913] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6913] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=73, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551615:0}, pipe={18446744073709551615:0}, pipe->ar_usb={18446744073709551733:18446744073709551704}, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551733:18446744073709551704}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, usb_counter=0] [L6922] RET ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, urb_context={18446744073709551615:104}, urb_context={18446744073709551615:104}, urb_context->pipe={18446744073709551615:0}, usb_counter=0] [L7201] RET ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551616:129}, recv_pipe={18446744073709551616:129}, ref_cnt=0, set_impl={57:0}, urb={18446744073709551615:0}, urb_context={18446744073709551615:104}, usb_counter=0, usb_status=63] [L7230-L7231] RET ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar_usb={18446744073709551616:-1920}, ar_usb={18446744073709551616:-1920}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7456] RET ath6kl_usb_start_recv_pipes(device) [L7457] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7463] COND FALSE !(i <= 3) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551616:-1920}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp={18446744073709551616:-1920}, usb_counter=0] [L7778] RET hif_start(ar) [L7779] return (0); VAL [\old(last_index)=0, \result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L8262] RET ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_power_on(ath6kl_usb_ops_group0)=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8263] ldv_state_variable_2 = 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8266] COND FALSE !(ldv_state_variable_2 == 3) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8271] COND FALSE !(ldv_state_variable_2 == 2) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=2, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___19=1, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___19=0, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8150] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8151] CALL ath6kl_usb_exit() [L7956] CALL ldv_usb_deregister_15(& ath6kl_usb_driver) [L8482] FCALL usb_deregister(arg) [L8483] ldv_state_variable_1 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, arg={56:0}, arg={56:0}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L7956] RET ldv_usb_deregister_15(& ath6kl_usb_driver) [L8151] RET ath6kl_usb_exit() [L8152] ldv_state_variable_0 = 2 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={18446744073709551675:0}, ldvarg1={0:0}, ldvarg10=74, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=71, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=105, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=62, ldvarg2={18446744073709551674:0}, ldvarg3=89, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=84, ldvarg7=77, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={57:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=84, tmp___11={0:0}, tmp___12=105, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=62, tmp___17=1, tmp___19=0, tmp___2=77, tmp___20=6, tmp___3=89, tmp___4={0:0}, tmp___5={0:0}, tmp___6=71, tmp___7=74, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8410] CALL ldv_check_final_state() [L8693] int tmp___7 ; [L8695] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L8584] return (last_index == 0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={57:0}, usb_counter=0] [L8695] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L8695] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L8696] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, tmp___7=0, usb_counter=0] [L8698] CALL ldv_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] [L6764] reach_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551730:18446744073709551686}, ath6kl_usb_driver={56:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={58:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={57:0}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 727 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 328.2s, OverallIterations: 22, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 192.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 40539 SdHoareTripleChecker+Valid, 148.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39067 mSDsluCounter, 94483 SdHoareTripleChecker+Invalid, 135.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4552 IncrementalHoareTripleChecker+Unchecked, 75547 mSDsCounter, 19450 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59573 IncrementalHoareTripleChecker+Invalid, 83577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19450 mSolverCounterUnsat, 18936 mSDtfsCounter, 59573 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5164 GetRequests, 4735 SyntacticMatches, 8 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4702 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35967occurred in iteration=21, InterpolantAutomatonStates: 245, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 30.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 63355 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 88.9s InterpolantComputationTime, 7567 NumberOfCodeBlocks, 7390 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 8502 ConstructedInterpolants, 14 QuantifiedInterpolants, 26869 SizeOfPredicates, 83 NumberOfNonLiveVariables, 18812 ConjunctsInSsa, 353 ConjunctsInUnsatCore, 35 InterpolantComputations, 19 PerfectInterpolantSequences, 13870/13926 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 19:58:59,882 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-18 19:58:59,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/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--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:59:02,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:59:02,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:59:02,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:59:02,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:59:02,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:59:02,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:59:02,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:59:02,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:59:02,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:59:02,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:59:02,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:59:02,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:59:02,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:59:02,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:59:02,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:59:02,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:59:02,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:59:02,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:59:02,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:59:02,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:59:02,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:59:02,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:59:02,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:59:02,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:59:02,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:59:02,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:59:02,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:59:02,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:59:02,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:59:02,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:59:02,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:59:02,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:59:02,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:59:02,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:59:02,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:59:02,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:59:02,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:59:02,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:59:02,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:59:02,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:59:02,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:59:02,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:59:02,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:59:02,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:59:02,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:59:02,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:59:02,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:59:02,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:59:02,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:59:02,477 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:59:02,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:59:02,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:59:02,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:59:02,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:59:02,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:59:02,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:59:02,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:59:02,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:59:02,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:59:02,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:59:02,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:59:02,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:59:02,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:59:02,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:59:02,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:59:02,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:59:02,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:59:02,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:59:02,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:59:02,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:59:02,482 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:59:02,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:59:02,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:59:02,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:59:02,482 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-18 19:59:02,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:59:02,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:59:02,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:59:02,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:59:02,980 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:59:02,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:03,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/7591aaab1/7240a8184fa64b04869982c56bc49774/FLAGc5f5106cc [2022-11-18 19:59:04,044 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:59:04,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:04,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/7591aaab1/7240a8184fa64b04869982c56bc49774/FLAGc5f5106cc [2022-11-18 19:59:04,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/data/7591aaab1/7240a8184fa64b04869982c56bc49774 [2022-11-18 19:59:04,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:59:04,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:59:04,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:59:04,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:59:04,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:59:04,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:59:04" (1/1) ... [2022-11-18 19:59:04,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cde34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:04, skipping insertion in model container [2022-11-18 19:59:04,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:59:04" (1/1) ... [2022-11-18 19:59:04,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:59:04,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:59:05,649 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-18 19:59:06,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:06,400 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 19:59:06,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:59:06,674 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-18 19:59:06,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:06,843 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:59:07,049 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-18 19:59:07,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:07,288 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:59:07,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07 WrapperNode [2022-11-18 19:59:07,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:59:07,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:59:07,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:59:07,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:59:07,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,503 INFO L138 Inliner]: procedures = 189, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1814 [2022-11-18 19:59:07,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:59:07,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:59:07,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:59:07,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:59:07,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:59:07,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:59:07,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:59:07,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:59:07,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (1/1) ... [2022-11-18 19:59:07,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:59:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:59:07,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:59:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:59:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-18 19:59:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-18 19:59:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:59:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:59:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 19:59:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-18 19:59:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-18 19:59:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:59:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:59:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 19:59:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 19:59:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 19:59:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 19:59:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:59:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 19:59:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:59:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:59:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:59:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 19:59:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 19:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-18 19:59:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-18 19:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-18 19:59:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-18 19:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 19:59:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 19:59:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:59:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:59:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:59:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:59:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-18 19:59:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-18 19:59:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 19:59:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 19:59:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:59:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:59:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-18 19:59:07,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-18 19:59:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-18 19:59:07,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-18 19:59:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:59:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:59:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:59:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:59:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-18 19:59:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-18 19:59:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-18 19:59:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-18 19:59:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-18 19:59:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-18 19:59:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 19:59:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 19:59:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 19:59:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-18 19:59:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-18 19:59:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 19:59:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 19:59:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:59:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:59:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:59:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:59:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-18 19:59:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-18 19:59:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:59:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-18 19:59:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-18 19:59:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:59:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:59:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-18 19:59:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-18 19:59:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:59:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-18 19:59:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-18 19:59:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-18 19:59:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-18 19:59:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:59:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:59:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:59:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:59:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 19:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 19:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 19:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 19:59:07,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 19:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 19:59:07,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 19:59:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-18 19:59:07,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-18 19:59:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 19:59:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-18 19:59:07,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-18 19:59:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 19:59:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 19:59:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:59:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:59:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-18 19:59:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-18 19:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 19:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 19:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 19:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 19:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 19:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 19:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-18 19:59:07,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-18 19:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-18 19:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:59:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 19:59:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 19:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-18 19:59:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-18 19:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 19:59:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 19:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-18 19:59:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-18 19:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:59:07,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:59:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 19:59:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-18 19:59:07,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-18 19:59:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 19:59:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 19:59:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 19:59:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 19:59:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-18 19:59:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:59:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:59:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:59:07,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:59:08,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:59:08,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:59:08,957 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:59:26,358 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:59:26,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:59:26,374 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 19:59:26,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:26 BoogieIcfgContainer [2022-11-18 19:59:26,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:59:26,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:59:26,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:59:26,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:59:26,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:59:04" (1/3) ... [2022-11-18 19:59:26,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11622a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:26, skipping insertion in model container [2022-11-18 19:59:26,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:07" (2/3) ... [2022-11-18 19:59:26,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11622a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:26, skipping insertion in model container [2022-11-18 19:59:26,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:26" (3/3) ... [2022-11-18 19:59:26,388 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:26,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:59:26,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:59:26,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:59:26,496 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;@65b55801, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:59:26,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:59:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-18 19:59:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 19:59:26,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:26,529 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-18 19:59:26,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:26,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:26,536 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-18 19:59:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:26,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516409147] [2022-11-18 19:59:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:26,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:26,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:26,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 19:59:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:27,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:59:27,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-18 19:59:27,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:27,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:27,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516409147] [2022-11-18 19:59:27,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516409147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:27,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:27,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:59:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415637894] [2022-11-18 19:59:27,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:27,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:59:27,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:27,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:59:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:59:27,690 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:59:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:28,072 INFO L93 Difference]: Finished difference Result 1450 states and 2075 transitions. [2022-11-18 19:59:28,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:59:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2022-11-18 19:59:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:28,101 INFO L225 Difference]: With dead ends: 1450 [2022-11-18 19:59:28,103 INFO L226 Difference]: Without dead ends: 716 [2022-11-18 19:59:28,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:28,121 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 2 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:28,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2985 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:59:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-18 19:59:28,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-11-18 19:59:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 513 states have (on average 1.3255360623781676) internal successors, (680), 521 states have internal predecessors, (680), 154 states have call successors, (154), 49 states have call predecessors, (154), 48 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-18 19:59:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 987 transitions. [2022-11-18 19:59:28,291 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 987 transitions. Word has length 96 [2022-11-18 19:59:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:28,293 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 987 transitions. [2022-11-18 19:59:28,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:59:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 987 transitions. [2022-11-18 19:59:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-18 19:59:28,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:28,312 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-18 19:59:28,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:28,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:28,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:28,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:28,539 INFO L85 PathProgramCache]: Analyzing trace with hash -272364844, now seen corresponding path program 1 times [2022-11-18 19:59:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:28,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453246655] [2022-11-18 19:59:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:28,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:28,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:28,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:28,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 19:59:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:29,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-18 19:59:29,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:59:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-18 19:59:29,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:29,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453246655] [2022-11-18 19:59:29,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453246655] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:59:29,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:59:29,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 19:59:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978382896] [2022-11-18 19:59:29,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:59:29,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:59:29,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:59:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:59:29,994 INFO L87 Difference]: Start difference. First operand 716 states and 987 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:59:30,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:30,731 INFO L93 Difference]: Finished difference Result 1416 states and 1959 transitions. [2022-11-18 19:59:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:59:30,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-11-18 19:59:30,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:30,738 INFO L225 Difference]: With dead ends: 1416 [2022-11-18 19:59:30,738 INFO L226 Difference]: Without dead ends: 725 [2022-11-18 19:59:30,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:59:30,744 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 16 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:30,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2943 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:59:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-18 19:59:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2022-11-18 19:59:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 521 states have (on average 1.326295585412668) internal successors, (691), 529 states have internal predecessors, (691), 154 states have call successors, (154), 50 states have call predecessors, (154), 49 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-18 19:59:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 998 transitions. [2022-11-18 19:59:30,792 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 998 transitions. Word has length 98 [2022-11-18 19:59:30,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:30,793 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 998 transitions. [2022-11-18 19:59:30,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:59:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 998 transitions. [2022-11-18 19:59:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-18 19:59:30,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:30,796 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 8, 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] [2022-11-18 19:59:30,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:31,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:31,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:31,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2097019950, now seen corresponding path program 2 times [2022-11-18 19:59:31,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:31,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34561113] [2022-11-18 19:59:31,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:59:31,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:31,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:31,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:31,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 19:59:31,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:59:31,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:59:31,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:31,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 19:59:31,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:31,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:31,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34561113] [2022-11-18 19:59:31,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34561113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:31,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:31,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:31,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233181625] [2022-11-18 19:59:31,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:31,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:31,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:31,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:31,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:31,792 INFO L87 Difference]: Start difference. First operand 725 states and 998 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:59:33,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:34,062 INFO L93 Difference]: Finished difference Result 2079 states and 2865 transitions. [2022-11-18 19:59:34,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:34,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2022-11-18 19:59:34,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:34,071 INFO L225 Difference]: With dead ends: 2079 [2022-11-18 19:59:34,071 INFO L226 Difference]: Without dead ends: 1392 [2022-11-18 19:59:34,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:34,075 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 921 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:34,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 2100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-18 19:59:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-11-18 19:59:34,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2022-11-18 19:59:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1002 states have (on average 1.3313373253493015) internal successors, (1334), 1018 states have internal predecessors, (1334), 292 states have call successors, (292), 98 states have call predecessors, (292), 97 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-18 19:59:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1917 transitions. [2022-11-18 19:59:34,189 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1917 transitions. Word has length 104 [2022-11-18 19:59:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:34,190 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1917 transitions. [2022-11-18 19:59:34,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:59:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1917 transitions. [2022-11-18 19:59:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 19:59:34,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:34,195 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 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] [2022-11-18 19:59:34,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:34,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:34,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:34,424 INFO L85 PathProgramCache]: Analyzing trace with hash 766997817, now seen corresponding path program 1 times [2022-11-18 19:59:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:34,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190471894] [2022-11-18 19:59:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:34,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:34,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:34,428 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:34,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 19:59:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:35,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:35,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-18 19:59:35,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:35,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:35,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190471894] [2022-11-18 19:59:35,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190471894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:35,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:35,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:59:35,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487645766] [2022-11-18 19:59:35,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:35,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:59:35,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:59:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:35,913 INFO L87 Difference]: Start difference. First operand 1392 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:59:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:36,537 INFO L93 Difference]: Finished difference Result 4097 states and 5677 transitions. [2022-11-18 19:59:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:59:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2022-11-18 19:59:36,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:36,557 INFO L225 Difference]: With dead ends: 4097 [2022-11-18 19:59:36,558 INFO L226 Difference]: Without dead ends: 2737 [2022-11-18 19:59:36,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:36,569 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 947 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:36,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 4356 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:59:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-11-18 19:59:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2729. [2022-11-18 19:59:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2729 states, 1965 states have (on average 1.332824427480916) internal successors, (2619), 1997 states have internal predecessors, (2619), 570 states have call successors, (570), 194 states have call predecessors, (570), 193 states have return successors, (589), 569 states have call predecessors, (589), 569 states have call successors, (589) [2022-11-18 19:59:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3778 transitions. [2022-11-18 19:59:36,824 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3778 transitions. Word has length 115 [2022-11-18 19:59:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:36,825 INFO L495 AbstractCegarLoop]: Abstraction has 2729 states and 3778 transitions. [2022-11-18 19:59:36,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:59:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3778 transitions. [2022-11-18 19:59:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-18 19:59:36,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:36,840 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:36,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:37,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:37,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:37,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash 791638845, now seen corresponding path program 1 times [2022-11-18 19:59:37,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:37,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359701390] [2022-11-18 19:59:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:37,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:37,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 19:59:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:38,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:38,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-18 19:59:38,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:38,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:38,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359701390] [2022-11-18 19:59:38,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359701390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:38,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:38,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:38,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769909673] [2022-11-18 19:59:38,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:38,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:38,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:38,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:38,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:38,393 INFO L87 Difference]: Start difference. First operand 2729 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:59:38,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:38,942 INFO L93 Difference]: Finished difference Result 7189 states and 9900 transitions. [2022-11-18 19:59:38,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:38,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 248 [2022-11-18 19:59:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:38,973 INFO L225 Difference]: With dead ends: 7189 [2022-11-18 19:59:38,974 INFO L226 Difference]: Without dead ends: 4498 [2022-11-18 19:59:38,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:38,986 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 641 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:38,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 2002 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:59:38,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-11-18 19:59:39,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 4487. [2022-11-18 19:59:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 3215 states have (on average 1.3318818040435458) internal successors, (4282), 3263 states have internal predecessors, (4282), 922 states have call successors, (922), 350 states have call predecessors, (922), 349 states have return successors, (957), 921 states have call predecessors, (957), 921 states have call successors, (957) [2022-11-18 19:59:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6161 transitions. [2022-11-18 19:59:39,276 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6161 transitions. Word has length 248 [2022-11-18 19:59:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:39,278 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6161 transitions. [2022-11-18 19:59:39,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:59:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6161 transitions. [2022-11-18 19:59:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-18 19:59:39,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:39,296 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:39,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:39,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:39,524 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1936972074, now seen corresponding path program 1 times [2022-11-18 19:59:39,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:39,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112757837] [2022-11-18 19:59:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:39,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:39,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:39,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 19:59:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:40,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-18 19:59:40,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:40,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:40,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112757837] [2022-11-18 19:59:40,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112757837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:40,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:40,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:40,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635437752] [2022-11-18 19:59:40,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:40,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:40,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:40,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:40,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:40,890 INFO L87 Difference]: Start difference. First operand 4487 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:59:41,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:41,967 INFO L93 Difference]: Finished difference Result 10606 states and 14478 transitions. [2022-11-18 19:59:41,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:41,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 229 [2022-11-18 19:59:41,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:42,010 INFO L225 Difference]: With dead ends: 10606 [2022-11-18 19:59:42,011 INFO L226 Difference]: Without dead ends: 6155 [2022-11-18 19:59:42,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:42,027 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 575 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:42,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2091 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 19:59:42,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2022-11-18 19:59:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 6146. [2022-11-18 19:59:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6146 states, 4441 states have (on average 1.3199729790587706) internal successors, (5862), 4517 states have internal predecessors, (5862), 1221 states have call successors, (1221), 484 states have call predecessors, (1221), 483 states have return successors, (1268), 1220 states have call predecessors, (1268), 1220 states have call successors, (1268) [2022-11-18 19:59:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6146 states to 6146 states and 8351 transitions. [2022-11-18 19:59:42,475 INFO L78 Accepts]: Start accepts. Automaton has 6146 states and 8351 transitions. Word has length 229 [2022-11-18 19:59:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:42,476 INFO L495 AbstractCegarLoop]: Abstraction has 6146 states and 8351 transitions. [2022-11-18 19:59:42,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:59:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6146 states and 8351 transitions. [2022-11-18 19:59:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-18 19:59:42,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:42,502 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:42,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:42,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:42,728 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:42,728 INFO L85 PathProgramCache]: Analyzing trace with hash -480104918, now seen corresponding path program 1 times [2022-11-18 19:59:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:42,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723728513] [2022-11-18 19:59:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:42,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:42,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:42,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:42,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 19:59:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:43,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:43,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-18 19:59:44,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:44,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:44,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723728513] [2022-11-18 19:59:44,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723728513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:44,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:44,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:59:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189652446] [2022-11-18 19:59:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:44,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:59:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:44,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:59:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:59:44,141 INFO L87 Difference]: Start difference. First operand 6146 states and 8351 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:46,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:46,534 INFO L93 Difference]: Finished difference Result 9304 states and 12633 transitions. [2022-11-18 19:59:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:59:46,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-18 19:59:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:46,555 INFO L225 Difference]: With dead ends: 9304 [2022-11-18 19:59:46,556 INFO L226 Difference]: Without dead ends: 3199 [2022-11-18 19:59:46,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:46,578 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:46,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-18 19:59:46,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-11-18 19:59:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3146. [2022-11-18 19:59:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 2277 states have (on average 1.318840579710145) internal successors, (3003), 2315 states have internal predecessors, (3003), 621 states have call successors, (621), 248 states have call predecessors, (621), 247 states have return successors, (644), 620 states have call predecessors, (644), 620 states have call successors, (644) [2022-11-18 19:59:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4268 transitions. [2022-11-18 19:59:46,813 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4268 transitions. Word has length 263 [2022-11-18 19:59:46,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:46,814 INFO L495 AbstractCegarLoop]: Abstraction has 3146 states and 4268 transitions. [2022-11-18 19:59:46,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4268 transitions. [2022-11-18 19:59:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-18 19:59:46,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:46,828 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:46,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:47,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:47,043 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:47,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:47,043 INFO L85 PathProgramCache]: Analyzing trace with hash -135276756, now seen corresponding path program 1 times [2022-11-18 19:59:47,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:47,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625456290] [2022-11-18 19:59:47,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:47,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:47,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:47,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:47,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 19:59:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:48,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:48,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-18 19:59:48,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:48,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:48,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625456290] [2022-11-18 19:59:48,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625456290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:48,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:48,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:48,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434098315] [2022-11-18 19:59:48,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:48,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:48,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:48,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:48,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:48,684 INFO L87 Difference]: Start difference. First operand 3146 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:50,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:51,241 INFO L93 Difference]: Finished difference Result 7439 states and 10074 transitions. [2022-11-18 19:59:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-18 19:59:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:51,272 INFO L225 Difference]: With dead ends: 7439 [2022-11-18 19:59:51,273 INFO L226 Difference]: Without dead ends: 4357 [2022-11-18 19:59:51,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:51,285 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 844 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:51,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1933 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-18 19:59:51,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2022-11-18 19:59:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4348. [2022-11-18 19:59:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4348 states, 3149 states have (on average 1.315655763734519) internal successors, (4143), 3199 states have internal predecessors, (4143), 839 states have call successors, (839), 360 states have call predecessors, (839), 359 states have return successors, (870), 838 states have call predecessors, (870), 838 states have call successors, (870) [2022-11-18 19:59:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4348 states to 4348 states and 5852 transitions. [2022-11-18 19:59:51,546 INFO L78 Accepts]: Start accepts. Automaton has 4348 states and 5852 transitions. Word has length 263 [2022-11-18 19:59:51,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:51,547 INFO L495 AbstractCegarLoop]: Abstraction has 4348 states and 5852 transitions. [2022-11-18 19:59:51,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 5852 transitions. [2022-11-18 19:59:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-18 19:59:51,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:51,562 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:51,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:51,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:51,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:51,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:51,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2094087351, now seen corresponding path program 1 times [2022-11-18 19:59:51,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:51,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122761415] [2022-11-18 19:59:51,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:51,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:51,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:51,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:51,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 19:59:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:52,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:52,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-18 19:59:53,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:53,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:53,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122761415] [2022-11-18 19:59:53,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122761415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:53,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:53,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:53,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414250513] [2022-11-18 19:59:53,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:53,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:53,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:53,173 INFO L87 Difference]: Start difference. First operand 4348 states and 5852 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:55,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:56,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:56,328 INFO L93 Difference]: Finished difference Result 11380 states and 15311 transitions. [2022-11-18 19:59:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:56,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-18 19:59:56,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:56,390 INFO L225 Difference]: With dead ends: 11380 [2022-11-18 19:59:56,390 INFO L226 Difference]: Without dead ends: 7096 [2022-11-18 19:59:56,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:56,409 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 788 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:56,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2301 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-18 19:59:56,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2022-11-18 19:59:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 7046. [2022-11-18 19:59:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7046 states, 5155 states have (on average 1.2950533462657614) internal successors, (6676), 5239 states have internal predecessors, (6676), 1277 states have call successors, (1277), 614 states have call predecessors, (1277), 613 states have return successors, (1325), 1276 states have call predecessors, (1325), 1276 states have call successors, (1325) [2022-11-18 19:59:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7046 states to 7046 states and 9278 transitions. [2022-11-18 19:59:56,847 INFO L78 Accepts]: Start accepts. Automaton has 7046 states and 9278 transitions. Word has length 244 [2022-11-18 19:59:56,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:56,847 INFO L495 AbstractCegarLoop]: Abstraction has 7046 states and 9278 transitions. [2022-11-18 19:59:56,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 7046 states and 9278 transitions. [2022-11-18 19:59:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-18 19:59:56,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:56,865 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:56,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:57,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:57,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:57,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash 984464193, now seen corresponding path program 1 times [2022-11-18 19:59:57,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:57,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998475371] [2022-11-18 19:59:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:57,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:57,094 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 19:59:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:58,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 19:59:58,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-18 19:59:58,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:58,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:58,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998475371] [2022-11-18 19:59:58,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998475371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:58,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:58,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:59:58,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55899704] [2022-11-18 19:59:58,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:58,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:59:58,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:58,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:59:58,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:59:58,899 INFO L87 Difference]: Start difference. First operand 7046 states and 9278 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:59,470 INFO L93 Difference]: Finished difference Result 14164 states and 18747 transitions. [2022-11-18 19:59:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:59:59,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-18 19:59:59,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:59,505 INFO L225 Difference]: With dead ends: 14164 [2022-11-18 19:59:59,505 INFO L226 Difference]: Without dead ends: 7182 [2022-11-18 19:59:59,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:59,530 INFO L413 NwaCegarLoop]: 986 mSDtfsCounter, 4 mSDsluCounter, 3926 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4912 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:59,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4912 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:59:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2022-11-18 19:59:59,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 7144. [2022-11-18 19:59:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7144 states, 5225 states have (on average 1.2911004784688995) internal successors, (6746), 5309 states have internal predecessors, (6746), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 627 states have return successors, (1375), 1304 states have call predecessors, (1375), 1290 states have call successors, (1375) [2022-11-18 19:59:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 9412 transitions. [2022-11-18 19:59:59,916 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 9412 transitions. Word has length 244 [2022-11-18 19:59:59,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:59,917 INFO L495 AbstractCegarLoop]: Abstraction has 7144 states and 9412 transitions. [2022-11-18 19:59:59,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 19:59:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 9412 transitions. [2022-11-18 19:59:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-18 19:59:59,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:59,932 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:59,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:00,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:00,147 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:00,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -427030451, now seen corresponding path program 1 times [2022-11-18 20:00:00,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:00,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407614572] [2022-11-18 20:00:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:00,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:00,151 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:00,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 20:00:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:01,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:00:01,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-18 20:00:01,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:01,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:01,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407614572] [2022-11-18 20:00:01,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407614572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:01,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:01,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:00:01,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849535011] [2022-11-18 20:00:01,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:01,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:00:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:01,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:00:01,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:00:01,656 INFO L87 Difference]: Start difference. First operand 7144 states and 9412 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 20:00:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:01,980 INFO L93 Difference]: Finished difference Result 10732 states and 14211 transitions. [2022-11-18 20:00:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:00:01,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 245 [2022-11-18 20:00:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:02,017 INFO L225 Difference]: With dead ends: 10732 [2022-11-18 20:00:02,018 INFO L226 Difference]: Without dead ends: 7172 [2022-11-18 20:00:02,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:00:02,035 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 5 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:02,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1962 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:00:02,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7172 states. [2022-11-18 20:00:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7172 to 7172. [2022-11-18 20:00:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7172 states, 5246 states have (on average 1.2899351887152115) internal successors, (6767), 5337 states have internal predecessors, (6767), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 634 states have return successors, (1382), 1304 states have call predecessors, (1382), 1290 states have call successors, (1382) [2022-11-18 20:00:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 9440 transitions. [2022-11-18 20:00:02,450 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 9440 transitions. Word has length 245 [2022-11-18 20:00:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:02,451 INFO L495 AbstractCegarLoop]: Abstraction has 7172 states and 9440 transitions. [2022-11-18 20:00:02,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 20:00:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 9440 transitions. [2022-11-18 20:00:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-18 20:00:02,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:02,466 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:02,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:02,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:02,683 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:02,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1324899410, now seen corresponding path program 1 times [2022-11-18 20:00:02,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:02,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350622571] [2022-11-18 20:00:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:02,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:02,686 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:02,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 20:00:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:00:04,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-18 20:00:05,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:00:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-18 20:00:08,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:08,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350622571] [2022-11-18 20:00:08,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350622571] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:00:08,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:00:08,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-11-18 20:00:08,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953925531] [2022-11-18 20:00:08,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:08,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:00:08,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:00:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:00:08,021 INFO L87 Difference]: Start difference. First operand 7172 states and 9440 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-18 20:00:10,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:14,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:16,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:19,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:21,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:25,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:29,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:31,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:35,275 INFO L93 Difference]: Finished difference Result 14877 states and 19759 transitions. [2022-11-18 20:00:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:00:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2022-11-18 20:00:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:35,315 INFO L225 Difference]: With dead ends: 14877 [2022-11-18 20:00:35,316 INFO L226 Difference]: Without dead ends: 7685 [2022-11-18 20:00:35,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:00:35,335 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1999 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 426 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:35,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 2108 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 1301 Invalid, 7 Unknown, 0 Unchecked, 26.6s Time] [2022-11-18 20:00:35,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7685 states. [2022-11-18 20:00:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7685 to 7502. [2022-11-18 20:00:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7502 states, 5437 states have (on average 1.2872907853595732) internal successors, (6999), 5549 states have internal predecessors, (6999), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 654 states have return successors, (1550), 1436 states have call predecessors, (1550), 1409 states have call successors, (1550) [2022-11-18 20:00:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7502 states to 7502 states and 9959 transitions. [2022-11-18 20:00:35,891 INFO L78 Accepts]: Start accepts. Automaton has 7502 states and 9959 transitions. Word has length 247 [2022-11-18 20:00:35,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:35,892 INFO L495 AbstractCegarLoop]: Abstraction has 7502 states and 9959 transitions. [2022-11-18 20:00:35,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-18 20:00:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7502 states and 9959 transitions. [2022-11-18 20:00:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-18 20:00:35,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:35,906 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:35,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:36,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:36,123 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:36,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:36,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1465877531, now seen corresponding path program 1 times [2022-11-18 20:00:36,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:36,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773615031] [2022-11-18 20:00:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:36,127 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:36,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 20:00:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:00:37,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-18 20:00:37,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:37,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:37,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773615031] [2022-11-18 20:00:37,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773615031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:37,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:37,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:00:37,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178034876] [2022-11-18 20:00:37,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:37,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:00:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:00:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:00:37,694 INFO L87 Difference]: Start difference. First operand 7502 states and 9959 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 20:00:38,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:38,261 INFO L93 Difference]: Finished difference Result 15030 states and 20127 transitions. [2022-11-18 20:00:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:00:38,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 246 [2022-11-18 20:00:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:38,301 INFO L225 Difference]: With dead ends: 15030 [2022-11-18 20:00:38,302 INFO L226 Difference]: Without dead ends: 7592 [2022-11-18 20:00:38,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:00:38,328 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:38,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:00:38,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2022-11-18 20:00:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7558. [2022-11-18 20:00:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 5479 states have (on average 1.2850885198028836) internal successors, (7041), 5591 states have internal predecessors, (7041), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 668 states have return successors, (1566), 1450 states have call predecessors, (1566), 1409 states have call successors, (1566) [2022-11-18 20:00:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 10017 transitions. [2022-11-18 20:00:38,809 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 10017 transitions. Word has length 246 [2022-11-18 20:00:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:38,810 INFO L495 AbstractCegarLoop]: Abstraction has 7558 states and 10017 transitions. [2022-11-18 20:00:38,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 20:00:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 10017 transitions. [2022-11-18 20:00:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 20:00:38,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:38,828 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:38,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:39,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:39,047 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:39,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1219350882, now seen corresponding path program 1 times [2022-11-18 20:00:39,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:39,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778917157] [2022-11-18 20:00:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:39,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:39,051 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:39,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 20:00:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:40,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:00:40,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-18 20:00:41,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:41,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:41,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778917157] [2022-11-18 20:00:41,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778917157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:41,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:41,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:00:41,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716505725] [2022-11-18 20:00:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:41,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:00:41,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:41,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:00:41,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:00:41,527 INFO L87 Difference]: Start difference. First operand 7558 states and 10017 transitions. Second operand has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-18 20:00:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:43,480 INFO L93 Difference]: Finished difference Result 15681 states and 21115 transitions. [2022-11-18 20:00:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:00:43,482 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) Word has length 253 [2022-11-18 20:00:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:43,514 INFO L225 Difference]: With dead ends: 15681 [2022-11-18 20:00:43,514 INFO L226 Difference]: Without dead ends: 8187 [2022-11-18 20:00:43,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:00:43,532 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 23 mSDsluCounter, 10215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 11244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:43,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:00:43,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8187 states. [2022-11-18 20:00:43,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8187 to 7670. [2022-11-18 20:00:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7670 states, 5577 states have (on average 1.277568585260893) internal successors, (7125), 5675 states have internal predecessors, (7125), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 682 states have return successors, (1594), 1478 states have call predecessors, (1594), 1409 states have call successors, (1594) [2022-11-18 20:00:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7670 states to 7670 states and 10129 transitions. [2022-11-18 20:00:43,978 INFO L78 Accepts]: Start accepts. Automaton has 7670 states and 10129 transitions. Word has length 253 [2022-11-18 20:00:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:43,978 INFO L495 AbstractCegarLoop]: Abstraction has 7670 states and 10129 transitions. [2022-11-18 20:00:43,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-18 20:00:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 7670 states and 10129 transitions. [2022-11-18 20:00:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-18 20:00:43,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:43,994 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:44,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:44,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:44,211 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 76736805, now seen corresponding path program 1 times [2022-11-18 20:00:44,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:44,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742631789] [2022-11-18 20:00:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:44,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:44,214 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:44,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-18 20:00:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:45,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:00:45,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-11-18 20:00:47,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:00:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-18 20:00:51,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:51,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742631789] [2022-11-18 20:00:51,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742631789] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:00:51,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:00:51,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2022-11-18 20:00:51,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566118481] [2022-11-18 20:00:51,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:51,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:00:51,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:00:51,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:00:51,890 INFO L87 Difference]: Start difference. First operand 7670 states and 10129 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-18 20:00:53,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:56,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:58,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:03,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:05,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:06,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:08,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:10,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:16,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:26,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:01:40,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:40,457 INFO L93 Difference]: Finished difference Result 18999 states and 26139 transitions. [2022-11-18 20:01:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:01:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) Word has length 265 [2022-11-18 20:01:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:40,549 INFO L225 Difference]: With dead ends: 18999 [2022-11-18 20:01:40,549 INFO L226 Difference]: Without dead ends: 14934 [2022-11-18 20:01:40,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:01:40,566 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 5651 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 4418 mSolverCounterSat, 2225 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 4979 SdHoareTripleChecker+Invalid, 6648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2225 IncrementalHoareTripleChecker+Valid, 4418 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:40,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 4979 Invalid, 6648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2225 Valid, 4418 Invalid, 5 Unknown, 0 Unchecked, 46.3s Time] [2022-11-18 20:01:40,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14934 states. [2022-11-18 20:01:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14934 to 11892. [2022-11-18 20:01:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11892 states, 8594 states have (on average 1.2782173609494996) internal successors, (10985), 8782 states have internal predecessors, (10985), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-18 20:01:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11892 states to 11892 states and 15889 transitions. [2022-11-18 20:01:41,606 INFO L78 Accepts]: Start accepts. Automaton has 11892 states and 15889 transitions. Word has length 265 [2022-11-18 20:01:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:41,607 INFO L495 AbstractCegarLoop]: Abstraction has 11892 states and 15889 transitions. [2022-11-18 20:01:41,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-18 20:01:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 11892 states and 15889 transitions. [2022-11-18 20:01:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-18 20:01:41,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:41,621 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:41,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:41,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:41,849 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:01:41,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash -731701212, now seen corresponding path program 1 times [2022-11-18 20:01:41,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:01:41,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603351119] [2022-11-18 20:01:41,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:41,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:41,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:01:41,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:01:41,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-18 20:01:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:43,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:01:43,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-18 20:01:43,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:01:43,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:01:43,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603351119] [2022-11-18 20:01:43,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603351119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:43,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:43,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:01:43,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306904336] [2022-11-18 20:01:43,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:43,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:01:43,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:01:43,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:01:43,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:01:43,765 INFO L87 Difference]: Start difference. First operand 11892 states and 15889 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 20:01:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:44,905 INFO L93 Difference]: Finished difference Result 20228 states and 27278 transitions. [2022-11-18 20:01:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:01:44,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 267 [2022-11-18 20:01:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:44,963 INFO L225 Difference]: With dead ends: 20228 [2022-11-18 20:01:44,963 INFO L226 Difference]: Without dead ends: 12011 [2022-11-18 20:01:44,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:44,993 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 11 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:44,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2939 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:01:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12011 states. [2022-11-18 20:01:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12011 to 11941. [2022-11-18 20:01:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11941 states, 8643 states have (on average 1.2790697674418605) internal successors, (11055), 8831 states have internal predecessors, (11055), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-18 20:01:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11941 states to 11941 states and 15959 transitions. [2022-11-18 20:01:46,078 INFO L78 Accepts]: Start accepts. Automaton has 11941 states and 15959 transitions. Word has length 267 [2022-11-18 20:01:46,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:46,079 INFO L495 AbstractCegarLoop]: Abstraction has 11941 states and 15959 transitions. [2022-11-18 20:01:46,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 20:01:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 11941 states and 15959 transitions. [2022-11-18 20:01:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-18 20:01:46,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:46,092 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:46,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:46,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:46,315 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:01:46,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:46,315 INFO L85 PathProgramCache]: Analyzing trace with hash 395973245, now seen corresponding path program 1 times [2022-11-18 20:01:46,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:01:46,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073482489] [2022-11-18 20:01:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:01:46,319 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:01:46,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-18 20:01:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:01:48,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 20:01:48,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:01:48,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:01:48,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073482489] [2022-11-18 20:01:48,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073482489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:48,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:48,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:01:48,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126540511] [2022-11-18 20:01:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:48,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:01:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:01:48,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:01:48,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:01:48,059 INFO L87 Difference]: Start difference. First operand 11941 states and 15959 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-18 20:01:48,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:48,868 INFO L93 Difference]: Finished difference Result 23890 states and 32034 transitions. [2022-11-18 20:01:48,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:01:48,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 269 [2022-11-18 20:01:48,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:48,911 INFO L225 Difference]: With dead ends: 23890 [2022-11-18 20:01:48,912 INFO L226 Difference]: Without dead ends: 12013 [2022-11-18 20:01:48,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:01:48,943 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:48,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1965 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:01:48,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12013 states. [2022-11-18 20:01:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12013 to 11977. [2022-11-18 20:01:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11977 states, 8679 states have (on average 1.2779122018665745) internal successors, (11091), 8867 states have internal predecessors, (11091), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-18 20:01:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11977 states to 11977 states and 15995 transitions. [2022-11-18 20:01:50,143 INFO L78 Accepts]: Start accepts. Automaton has 11977 states and 15995 transitions. Word has length 269 [2022-11-18 20:01:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:50,144 INFO L495 AbstractCegarLoop]: Abstraction has 11977 states and 15995 transitions. [2022-11-18 20:01:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-18 20:01:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 11977 states and 15995 transitions. [2022-11-18 20:01:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-18 20:01:50,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:50,157 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:50,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:50,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:50,371 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:01:50,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:50,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1684021473, now seen corresponding path program 1 times [2022-11-18 20:01:50,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:01:50,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154728391] [2022-11-18 20:01:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:50,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:50,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:01:50,374 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:01:50,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-18 20:01:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:01:51,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 20:01:51,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 20:01:52,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:01:52,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154728391] [2022-11-18 20:01:52,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154728391] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:52,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:01:52,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-18 20:01:52,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655829202] [2022-11-18 20:01:52,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:52,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:01:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:01:52,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:01:52,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:01:52,316 INFO L87 Difference]: Start difference. First operand 11977 states and 15995 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-18 20:01:53,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:53,411 INFO L93 Difference]: Finished difference Result 24106 states and 32322 transitions. [2022-11-18 20:01:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:01:53,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 271 [2022-11-18 20:01:53,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:53,460 INFO L225 Difference]: With dead ends: 24106 [2022-11-18 20:01:53,460 INFO L226 Difference]: Without dead ends: 12193 [2022-11-18 20:01:53,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:01:53,498 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 4 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:53,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3927 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:01:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12193 states. [2022-11-18 20:01:54,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12193 to 12193. [2022-11-18 20:01:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12193 states, 8895 states have (on average 1.2711635750421586) internal successors, (11307), 9083 states have internal predecessors, (11307), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-18 20:01:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12193 states to 12193 states and 16211 transitions. [2022-11-18 20:01:54,860 INFO L78 Accepts]: Start accepts. Automaton has 12193 states and 16211 transitions. Word has length 271 [2022-11-18 20:01:54,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:54,860 INFO L495 AbstractCegarLoop]: Abstraction has 12193 states and 16211 transitions. [2022-11-18 20:01:54,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-18 20:01:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 12193 states and 16211 transitions. [2022-11-18 20:01:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-18 20:01:54,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:54,874 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:54,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:55,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:55,075 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:01:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 2 times [2022-11-18 20:01:55,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:01:55,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232033576] [2022-11-18 20:01:55,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:01:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:01:55,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:01:55,079 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:01:55,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f845e5f-62ee-4c30-9eb3-dd99d215db48/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-18 20:02:02,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:02:02,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:02:03,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-18 20:02:03,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:04,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-18 20:02:04,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-18 20:02:09,634 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-18 20:02:09,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2022-11-18 20:02:09,810 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-18 20:02:09,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-11-18 20:02:19,672 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-18 20:02:19,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 7 [2022-11-18 20:02:19,686 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-18 20:02:19,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 3 [2022-11-18 20:02:27,391 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:02:27,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2022-11-18 20:02:27,662 INFO L321 Elim1Store]: treesize reduction 3, result has 84.2 percent of original size [2022-11-18 20:02:27,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2022-11-18 20:02:36,118 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-18 20:02:36,119 INFO L321 Elim1Store]: treesize reduction 19, result has 64.2 percent of original size [2022-11-18 20:02:36,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 60 [2022-11-18 20:02:36,408 INFO L321 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-18 20:02:36,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 41 [2022-11-18 20:02:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-18 20:02:36,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:02:46,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-18 20:02:46,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 334 [2022-11-18 20:02:54,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 280 [2022-11-18 20:02:54,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 344 [2022-11-18 20:03:08,172 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-18 20:03:08,172 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:03:08,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2022-11-18 20:03:08,177 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-18 20:03:22,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-18 20:03:22,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 334 [2022-11-18 20:03:26,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 602 treesize of output 584 [2022-11-18 20:03:26,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1912 treesize of output 1768 [2022-11-18 20:03:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-18 20:03:32,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:03:32,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232033576] [2022-11-18 20:03:32,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232033576] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:03:32,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:03:32,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2022-11-18 20:03:32,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515118747] [2022-11-18 20:03:32,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:32,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-18 20:03:32,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:03:32,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 20:03:32,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1489, Unknown=6, NotChecked=0, Total=1640 [2022-11-18 20:03:32,814 INFO L87 Difference]: Start difference. First operand 12193 states and 16211 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-18 20:03:34,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:36,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:38,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:40,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:42,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:44,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:46,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:08,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:10,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:11,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:13,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:14,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:20,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:28,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:30,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:32,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:53,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:02,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:03,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:05,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:17,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:19,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:21,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:23,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:25,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:27,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []